The dependency script wasn't catching quite all our transitive dependencies (#13954)

diff --git a/dev/automated_tests/pubspec.yaml b/dev/automated_tests/pubspec.yaml
index 445aab6..845daea 100644
--- a/dev/automated_tests/pubspec.yaml
+++ b/dev/automated_tests/pubspec.yaml
@@ -10,15 +10,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -27,6 +32,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -43,7 +49,9 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/benchmarks/complex_layout/pubspec.yaml b/dev/benchmarks/complex_layout/pubspec.yaml
index a4f197f..ed170d5 100644
--- a/dev/benchmarks/complex_layout/pubspec.yaml
+++ b/dev/benchmarks/complex_layout/pubspec.yaml
@@ -22,18 +22,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -42,6 +47,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -58,8 +64,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/benchmarks/microbenchmarks/pubspec.yaml b/dev/benchmarks/microbenchmarks/pubspec.yaml
index 8e72a16..bed82f7 100644
--- a/dev/benchmarks/microbenchmarks/pubspec.yaml
+++ b/dev/benchmarks/microbenchmarks/pubspec.yaml
@@ -14,11 +14,14 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   dart_style: 1.0.9 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
@@ -27,6 +30,7 @@
   io: 0.3.1 # TRANSITIVE DEPENDENCY
   isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
   mockito: 2.2.1 # TRANSITIVE DEPENDENCY
@@ -35,6 +39,7 @@
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
   petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -51,7 +56,9 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/bots/pubspec.yaml b/dev/bots/pubspec.yaml
index d02852a..000b366 100644
--- a/dev/bots/pubspec.yaml
+++ b/dev/bots/pubspec.yaml
@@ -13,21 +13,27 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
   node_preamble: 1.4.0 # TRANSITIVE DEPENDENCY
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   shelf: 0.7.2 # TRANSITIVE DEPENDENCY
@@ -42,5 +48,7 @@
   string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
diff --git a/dev/devicelab/pubspec.yaml b/dev/devicelab/pubspec.yaml
index 4d9f5af..71e1b6a 100644
--- a/dev/devicelab/pubspec.yaml
+++ b/dev/devicelab/pubspec.yaml
@@ -28,23 +28,29 @@
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   browser: 0.10.0+2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
   node_preamble: 1.4.0 # TRANSITIVE DEPENDENCY
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   shelf: 0.7.2 # TRANSITIVE DEPENDENCY
@@ -58,6 +64,8 @@
   string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   xml: 2.6.0 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
diff --git a/dev/integration_tests/channels/pubspec.yaml b/dev/integration_tests/channels/pubspec.yaml
index 439a474..1de59ae 100644
--- a/dev/integration_tests/channels/pubspec.yaml
+++ b/dev/integration_tests/channels/pubspec.yaml
@@ -12,18 +12,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -32,6 +37,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -48,8 +54,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/integration_tests/external_ui/pubspec.yaml b/dev/integration_tests/external_ui/pubspec.yaml
index d30ad55..ade871a 100644
--- a/dev/integration_tests/external_ui/pubspec.yaml
+++ b/dev/integration_tests/external_ui/pubspec.yaml
@@ -12,18 +12,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -32,6 +37,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -48,8 +54,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/integration_tests/flavors/pubspec.yaml b/dev/integration_tests/flavors/pubspec.yaml
index 3d39188..da06bed 100644
--- a/dev/integration_tests/flavors/pubspec.yaml
+++ b/dev/integration_tests/flavors/pubspec.yaml
@@ -12,18 +12,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -32,6 +37,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -48,8 +54,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/integration_tests/platform_interaction/pubspec.yaml b/dev/integration_tests/platform_interaction/pubspec.yaml
index 3d7e317..eddbd14 100644
--- a/dev/integration_tests/platform_interaction/pubspec.yaml
+++ b/dev/integration_tests/platform_interaction/pubspec.yaml
@@ -12,18 +12,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -32,6 +37,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -48,8 +54,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/integration_tests/ui/pubspec.yaml b/dev/integration_tests/ui/pubspec.yaml
index 9ff3e6f..65feeeb 100644
--- a/dev/integration_tests/ui/pubspec.yaml
+++ b/dev/integration_tests/ui/pubspec.yaml
@@ -20,18 +20,23 @@
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   browser: 0.10.0+2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -41,6 +46,7 @@
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
   petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -56,8 +62,10 @@
   string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   xml: 2.6.0 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
diff --git a/dev/manual_tests/pubspec.yaml b/dev/manual_tests/pubspec.yaml
index 29fcc6c..42372a9 100644
--- a/dev/manual_tests/pubspec.yaml
+++ b/dev/manual_tests/pubspec.yaml
@@ -13,15 +13,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -30,6 +35,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -46,7 +52,9 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/dev/tools/vitool/pubspec.yaml b/dev/tools/vitool/pubspec.yaml
index d5e5d22..326de17 100644
--- a/dev/tools/vitool/pubspec.yaml
+++ b/dev/tools/vitool/pubspec.yaml
@@ -19,15 +19,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -36,6 +41,7 @@
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
   petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   shelf: 0.7.2 # TRANSITIVE DEPENDENCY
@@ -50,5 +56,7 @@
   string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
diff --git a/examples/catalog/pubspec.yaml b/examples/catalog/pubspec.yaml
index 0b60aca..fd549f8 100644
--- a/examples/catalog/pubspec.yaml
+++ b/examples/catalog/pubspec.yaml
@@ -16,18 +16,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -35,6 +40,7 @@
   node_preamble: 1.4.0 # TRANSITIVE DEPENDENCY
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -51,8 +57,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/flutter_gallery/pubspec.yaml b/examples/flutter_gallery/pubspec.yaml
index 081b6ea..201d6cc 100644
--- a/examples/flutter_gallery/pubspec.yaml
+++ b/examples/flutter_gallery/pubspec.yaml
@@ -28,16 +28,21 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -46,6 +51,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -61,8 +67,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/flutter_view/pubspec.yaml b/examples/flutter_view/pubspec.yaml
index cad6809..85793e9 100644
--- a/examples/flutter_view/pubspec.yaml
+++ b/examples/flutter_view/pubspec.yaml
@@ -10,15 +10,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -27,6 +32,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   shelf: 0.7.2 # TRANSITIVE DEPENDENCY
@@ -42,7 +48,9 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/hello_world/pubspec.yaml b/examples/hello_world/pubspec.yaml
index eee45ab..0ee1429 100644
--- a/examples/hello_world/pubspec.yaml
+++ b/examples/hello_world/pubspec.yaml
@@ -13,15 +13,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -30,6 +35,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -46,7 +52,9 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/layers/pubspec.yaml b/examples/layers/pubspec.yaml
index 9a0cfbc..81071e7 100644
--- a/examples/layers/pubspec.yaml
+++ b/examples/layers/pubspec.yaml
@@ -12,15 +12,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -29,6 +34,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -45,7 +51,9 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/platform_channel/pubspec.yaml b/examples/platform_channel/pubspec.yaml
index 0066c9f..fa97a36 100644
--- a/examples/platform_channel/pubspec.yaml
+++ b/examples/platform_channel/pubspec.yaml
@@ -15,18 +15,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -35,6 +40,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -51,8 +57,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/platform_channel_swift/pubspec.yaml b/examples/platform_channel_swift/pubspec.yaml
index 62519d8..db84f35 100644
--- a/examples/platform_channel_swift/pubspec.yaml
+++ b/examples/platform_channel_swift/pubspec.yaml
@@ -15,18 +15,23 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -35,6 +40,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -51,8 +57,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/platform_view/pubspec.yaml b/examples/platform_view/pubspec.yaml
index 15aaf49..8c4e2d8 100644
--- a/examples/platform_view/pubspec.yaml
+++ b/examples/platform_view/pubspec.yaml
@@ -9,15 +9,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -26,6 +31,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   shelf: 0.7.2 # TRANSITIVE DEPENDENCY
@@ -41,7 +47,9 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/examples/stocks/pubspec.yaml b/examples/stocks/pubspec.yaml
index 39b3357..b5cc0f1 100644
--- a/examples/stocks/pubspec.yaml
+++ b/examples/stocks/pubspec.yaml
@@ -20,17 +20,21 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   dart_style: 1.0.9 # TRANSITIVE DEPENDENCY
   file: 2.3.5 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
   json_rpc_2: 2.0.5 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -40,6 +44,7 @@
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
   petitparser: 1.7.0 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -56,8 +61,10 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
   vm_service_client: 0.2.3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/packages/flutter/pubspec.yaml b/packages/flutter/pubspec.yaml
index b3a70ca..5cba8e9 100644
--- a/packages/flutter/pubspec.yaml
+++ b/packages/flutter/pubspec.yaml
@@ -25,19 +25,25 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
   node_preamble: 1.4.0 # TRANSITIVE DEPENDENCY
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -53,6 +59,8 @@
   string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
 
diff --git a/packages/flutter_driver/pubspec.yaml b/packages/flutter_driver/pubspec.yaml
index 9c2cdf6..ca332ed 100644
--- a/packages/flutter_driver/pubspec.yaml
+++ b/packages/flutter_driver/pubspec.yaml
@@ -29,21 +29,27 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   intl: 0.15.2 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
   node_preamble: 1.4.0 # TRANSITIVE DEPENDENCY
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   shelf: 0.7.2 # TRANSITIVE DEPENDENCY
@@ -58,5 +64,7 @@
   string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
diff --git a/packages/flutter_localizations/pubspec.yaml b/packages/flutter_localizations/pubspec.yaml
index 056805f..897e984 100644
--- a/packages/flutter_localizations/pubspec.yaml
+++ b/packages/flutter_localizations/pubspec.yaml
@@ -17,15 +17,20 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http: 0.11.3+14 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -33,6 +38,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   quiver: 0.27.0 # TRANSITIVE DEPENDENCY
@@ -49,6 +55,8 @@
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   test: 0.12.26 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
   vector_math: 2.0.5 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
diff --git a/packages/flutter_test/pubspec.yaml b/packages/flutter_test/pubspec.yaml
index e46b532..7ac123b 100644
--- a/packages/flutter_test/pubspec.yaml
+++ b/packages/flutter_test/pubspec.yaml
@@ -30,14 +30,19 @@
   barback: 0.15.2+13 # TRANSITIVE DEPENDENCY
   boolean_selector: 1.0.2 # TRANSITIVE DEPENDENCY
   charcode: 1.1.1 # TRANSITIVE DEPENDENCY
+  cli_util: 0.1.2+1 # TRANSITIVE DEPENDENCY
   collection: 1.14.3 # TRANSITIVE DEPENDENCY
   convert: 2.0.1 # TRANSITIVE DEPENDENCY
   crypto: 2.0.2+1 # TRANSITIVE DEPENDENCY
+  csslib: 0.14.1 # TRANSITIVE DEPENDENCY
   glob: 1.1.5 # TRANSITIVE DEPENDENCY
+  html: 0.13.2+1 # TRANSITIVE DEPENDENCY
   http_multi_server: 2.0.4 # TRANSITIVE DEPENDENCY
   http_parser: 3.1.1 # TRANSITIVE DEPENDENCY
   io: 0.3.1 # TRANSITIVE DEPENDENCY
+  isolate: 1.1.0 # TRANSITIVE DEPENDENCY
   js: 0.6.1 # TRANSITIVE DEPENDENCY
+  logging: 0.11.3+1 # TRANSITIVE DEPENDENCY
   matcher: 0.12.1+4 # TRANSITIVE DEPENDENCY
   meta: 1.1.1 # TRANSITIVE DEPENDENCY
   mime: 0.9.5 # TRANSITIVE DEPENDENCY
@@ -46,6 +51,7 @@
   package_config: 1.0.3 # TRANSITIVE DEPENDENCY
   package_resolver: 1.0.2 # TRANSITIVE DEPENDENCY
   path: 1.5.1 # TRANSITIVE DEPENDENCY
+  plugin: 0.2.0+2 # TRANSITIVE DEPENDENCY
   pool: 1.3.4 # TRANSITIVE DEPENDENCY
   pub_semver: 1.3.2 # TRANSITIVE DEPENDENCY
   shelf: 0.7.2 # TRANSITIVE DEPENDENCY
@@ -59,5 +65,7 @@
   string_scanner: 1.0.2 # TRANSITIVE DEPENDENCY
   term_glyph: 1.0.0 # TRANSITIVE DEPENDENCY
   typed_data: 1.1.4 # TRANSITIVE DEPENDENCY
+  utf: 0.9.0+3 # TRANSITIVE DEPENDENCY
+  watcher: 0.9.7+6 # TRANSITIVE DEPENDENCY
   web_socket_channel: 1.0.6 # TRANSITIVE DEPENDENCY
   yaml: 2.1.13 # TRANSITIVE DEPENDENCY
diff --git a/packages/flutter_tools/lib/src/commands/update_packages.dart b/packages/flutter_tools/lib/src/commands/update_packages.dart
index 3257523..825e4f7 100644
--- a/packages/flutter_tools/lib/src/commands/update_packages.dart
+++ b/packages/flutter_tools/lib/src/commands/update_packages.dart
@@ -517,6 +517,7 @@
             // the dependency if it wasn't one of our autogenerated transitive
             // dependency lines.
             if (!data.isTransitive) {
+              // Assert that we haven't seen it in this file already.
               assert(!directDependencies.contains(data.name));
               if (data.kind == DependencyKind.normal) {
                 // This is a regular dependency, so we need to update the
@@ -568,9 +569,12 @@
     final Set<String> transitiveDependencies = new Set<String>(); // which dependencies we need to handle
     // Merge the list of dependencies we've seen in this file and the dependencies we know this
     // file mentions that are already pinned (and which didn't get special processing above).
-    final Set<String> done = new Set<String>.from(directDependencies)..addAll(specialDependencies);
+    final Set<String> implied = new Set<String>.from(directDependencies)..addAll(specialDependencies);
+    // Create a new set to hold the list of packages we've already processed, so
+    // that we don't redundantly process them multiple times.
+    final Set<String> done = new Set<String>();
     for (String package in directDependencies.toList())
-      transitiveDependencies.addAll(versions.getTransitiveDependenciesFor(package, seen: done));
+      transitiveDependencies.addAll(versions.getTransitiveDependenciesFor(package, seen: done, exclude: implied));
     // Sort that list lexically so that we don't get noisy diffs when upgrading.
     final List<String> transitiveDependenciesAsList = transitiveDependencies.toList()..sort();
     // Add a blank line to keep the output clean. It doesn't matter if this adds
@@ -951,8 +955,12 @@
 
   /// The transitive closure of all the dependencies for the given package,
   /// excluding any listen in `seen`.
-  Iterable<String> getTransitiveDependenciesFor(String package, { Set<String> seen }) sync* {
-    seen ??= new Set<String>();
+  Iterable<String> getTransitiveDependenciesFor(String package, {
+    @required Set<String> seen,
+    @required Set<String> exclude,
+  }) sync* {
+    assert(seen != null);
+    assert(exclude != null);
     if (!_dependencyTree.containsKey(package)) {
       // We have no transitive dependencies extracted for flutter_sdk packages
       // because they were omitted from pubspec.yaml used for 'pub upgrade' run.
@@ -960,9 +968,10 @@
     }
     for (String dependency in _dependencyTree[package]) {
       if (!seen.contains(dependency)) {
-        yield dependency;
+        if (!exclude.contains(dependency))
+          yield dependency;
         seen.add(dependency);
-        yield* getTransitiveDependenciesFor(dependency, seen: seen);
+        yield* getTransitiveDependenciesFor(dependency, seen: seen, exclude: exclude);
       }
     }
   }