tp: move util related sources to util build file

Change-Id: I6428504797d76faed0008a1f53f10abdf6f7da5e
diff --git a/Android.bp b/Android.bp
index 965e404..d985dfd 100644
--- a/Android.bp
+++ b/Android.bp
@@ -6441,14 +6441,6 @@
   ],
 }
 
-// GN: //src/trace_processor:descriptors
-filegroup {
-  name: "perfetto_src_trace_processor_descriptors",
-  srcs: [
-    "src/trace_processor/util/descriptors.cc",
-  ],
-}
-
 // GN: //src/trace_processor:export_json
 filegroup {
   name: "perfetto_src_trace_processor_export_json",
@@ -6494,14 +6486,6 @@
   ],
 }
 
-// GN: //src/trace_processor:protozero_to_text
-filegroup {
-  name: "perfetto_src_trace_processor_protozero_to_text",
-  srcs: [
-    "src/trace_processor/util/protozero_to_text.cc",
-  ],
-}
-
 // GN: //src/trace_processor/sqlite:sqlite
 filegroup {
   name: "perfetto_src_trace_processor_sqlite_sqlite",
@@ -6673,10 +6657,38 @@
     "src/trace_processor/importers/syscalls/syscall_tracker_unittest.cc",
     "src/trace_processor/importers/systrace/systrace_parser_unittest.cc",
     "src/trace_processor/trace_sorter_unittest.cc",
+  ],
+}
+
+// GN: //src/trace_processor/util:descriptors
+filegroup {
+  name: "perfetto_src_trace_processor_util_descriptors",
+  srcs: [
+    "src/trace_processor/util/descriptors.cc",
+  ],
+}
+
+// GN: //src/trace_processor/util:protozero_to_text
+filegroup {
+  name: "perfetto_src_trace_processor_util_protozero_to_text",
+  srcs: [
+    "src/trace_processor/util/protozero_to_text.cc",
+  ],
+}
+
+// GN: //src/trace_processor/util:unittests
+filegroup {
+  name: "perfetto_src_trace_processor_util_unittests",
+  srcs: [
     "src/trace_processor/util/protozero_to_text_unittests.cc",
   ],
 }
 
+// GN: //src/trace_processor/util:util
+filegroup {
+  name: "perfetto_src_trace_processor_util_util",
+}
+
 // GN: //src/traced/probes/android_log:android_log
 filegroup {
   name: "perfetto_src_traced_probes_android_log_android_log",
@@ -7541,13 +7553,11 @@
     ":perfetto_src_trace_processor_containers_unittests",
     ":perfetto_src_trace_processor_db_lib",
     ":perfetto_src_trace_processor_db_unittests",
-    ":perfetto_src_trace_processor_descriptors",
     ":perfetto_src_trace_processor_export_json",
     ":perfetto_src_trace_processor_ftrace_descriptors",
     ":perfetto_src_trace_processor_lib",
     ":perfetto_src_trace_processor_metrics_lib",
     ":perfetto_src_trace_processor_metrics_unittests",
-    ":perfetto_src_trace_processor_protozero_to_text",
     ":perfetto_src_trace_processor_sqlite_sqlite",
     ":perfetto_src_trace_processor_sqlite_unittests",
     ":perfetto_src_trace_processor_storage_full",
@@ -7559,6 +7569,10 @@
     ":perfetto_src_trace_processor_types_types",
     ":perfetto_src_trace_processor_types_unittests",
     ":perfetto_src_trace_processor_unittests",
+    ":perfetto_src_trace_processor_util_descriptors",
+    ":perfetto_src_trace_processor_util_protozero_to_text",
+    ":perfetto_src_trace_processor_util_unittests",
+    ":perfetto_src_trace_processor_util_util",
     ":perfetto_src_traced_probes_android_log_android_log",
     ":perfetto_src_traced_probes_android_log_unittests",
     ":perfetto_src_traced_probes_common_common",
@@ -7790,7 +7804,6 @@
     ":perfetto_src_trace_processor_analysis_analysis",
     ":perfetto_src_trace_processor_containers_containers",
     ":perfetto_src_trace_processor_db_lib",
-    ":perfetto_src_trace_processor_descriptors",
     ":perfetto_src_trace_processor_export_json",
     ":perfetto_src_trace_processor_ftrace_descriptors",
     ":perfetto_src_trace_processor_lib",
@@ -7802,6 +7815,8 @@
     ":perfetto_src_trace_processor_tables_tables",
     ":perfetto_src_trace_processor_track_event_descriptor",
     ":perfetto_src_trace_processor_types_types",
+    ":perfetto_src_trace_processor_util_descriptors",
+    ":perfetto_src_trace_processor_util_util",
     "src/trace_processor/trace_processor_shell.cc",
     "src/trace_processor/util/proto_to_json.cc",
   ],
@@ -7905,7 +7920,6 @@
     ":perfetto_src_trace_processor_analysis_analysis",
     ":perfetto_src_trace_processor_containers_containers",
     ":perfetto_src_trace_processor_db_lib",
-    ":perfetto_src_trace_processor_descriptors",
     ":perfetto_src_trace_processor_export_json",
     ":perfetto_src_trace_processor_ftrace_descriptors",
     ":perfetto_src_trace_processor_lib",
@@ -7917,6 +7931,8 @@
     ":perfetto_src_trace_processor_tables_tables",
     ":perfetto_src_trace_processor_track_event_descriptor",
     ":perfetto_src_trace_processor_types_types",
+    ":perfetto_src_trace_processor_util_descriptors",
+    ":perfetto_src_trace_processor_util_util",
     ":perfetto_tools_trace_to_text_common",
     ":perfetto_tools_trace_to_text_full",
     ":perfetto_tools_trace_to_text_pprofbuilder",
diff --git a/BUILD b/BUILD
index ee89ee2..5080adb 100644
--- a/BUILD
+++ b/BUILD
@@ -855,15 +855,23 @@
     ],
 )
 
-# GN target: //src/trace_processor:descriptors
+# GN target: //src/trace_processor/util:descriptors
 filegroup(
-    name = "src_trace_processor_descriptors",
+    name = "src_trace_processor_util_descriptors",
     srcs = [
         "src/trace_processor/util/descriptors.cc",
         "src/trace_processor/util/descriptors.h",
     ],
 )
 
+# GN target: //src/trace_processor/util:util
+filegroup(
+    name = "src_trace_processor_util_util",
+    srcs = [
+        "src/trace_processor/util/status_macros.h",
+    ],
+)
+
 # GN target: //src/trace_processor:export_json
 filegroup(
     name = "src_trace_processor_export_json",
@@ -1043,7 +1051,6 @@
         "src/trace_processor/trace_processor_storage_impl.h",
         "src/trace_processor/trace_sorter.cc",
         "src/trace_processor/trace_sorter.h",
-        "src/trace_processor/util/status_macros.h",
         "src/trace_processor/virtual_destructors.cc",
     ],
 )
@@ -2816,7 +2823,6 @@
         ":src_trace_processor_analysis_analysis",
         ":src_trace_processor_containers_containers",
         ":src_trace_processor_db_lib",
-        ":src_trace_processor_descriptors",
         ":src_trace_processor_export_json",
         ":src_trace_processor_ftrace_descriptors",
         ":src_trace_processor_lib",
@@ -2828,6 +2834,8 @@
         ":src_trace_processor_tables_tables",
         ":src_trace_processor_track_event_descriptor",
         ":src_trace_processor_types_types",
+        ":src_trace_processor_util_descriptors",
+        ":src_trace_processor_util_util",
     ],
     hdrs = [
         ":include_perfetto_base_base",
@@ -2904,7 +2912,6 @@
         ":src_trace_processor_analysis_analysis",
         ":src_trace_processor_containers_containers",
         ":src_trace_processor_db_lib",
-        ":src_trace_processor_descriptors",
         ":src_trace_processor_export_json",
         ":src_trace_processor_ftrace_descriptors",
         ":src_trace_processor_lib",
@@ -2918,6 +2925,8 @@
         ":src_trace_processor_tables_tables",
         ":src_trace_processor_track_event_descriptor",
         ":src_trace_processor_types_types",
+        ":src_trace_processor_util_descriptors",
+        ":src_trace_processor_util_util",
     ],
     visibility = [
         "//visibility:public",
@@ -3070,7 +3079,6 @@
         ":src_trace_processor_analysis_analysis",
         ":src_trace_processor_containers_containers",
         ":src_trace_processor_db_lib",
-        ":src_trace_processor_descriptors",
         ":src_trace_processor_export_json",
         ":src_trace_processor_ftrace_descriptors",
         ":src_trace_processor_lib",
@@ -3082,6 +3090,8 @@
         ":src_trace_processor_tables_tables",
         ":src_trace_processor_track_event_descriptor",
         ":src_trace_processor_types_types",
+        ":src_trace_processor_util_descriptors",
+        ":src_trace_processor_util_util",
         ":tools_trace_to_text_common",
         ":tools_trace_to_text_full",
         ":tools_trace_to_text_pprofbuilder",
diff --git a/src/trace_processor/BUILD.gn b/src/trace_processor/BUILD.gn
index 7ee502d..1bbf36a 100644
--- a/src/trace_processor/BUILD.gn
+++ b/src/trace_processor/BUILD.gn
@@ -58,36 +58,6 @@
   ]
 }
 
-source_set("protozero_to_text") {
-  sources = [
-    "util/protozero_to_text.cc",
-    "util/protozero_to_text.h",
-  ]
-  deps = [
-    ":descriptors",
-    ":track_event_descriptor",
-    "../../gn:default_deps",
-    "../../protos/perfetto/common:zero",
-    "../../protos/perfetto/trace/track_event:zero",
-    "../base",
-    "../protozero",
-  ]
-}
-
-source_set("descriptors") {
-  sources = [
-    "util/descriptors.cc",
-    "util/descriptors.h",
-  ]
-  deps = [
-    "../../gn:default_deps",
-    "../../include/perfetto/trace_processor",
-    "../../protos/perfetto/common:zero",
-    "../base",
-    "../protozero",
-  ]
-}
-
 source_set("storage_minimal") {
   sources = [
     "chunked_trace_reader.h",
@@ -159,11 +129,9 @@
     "trace_processor_storage_impl.h",
     "trace_sorter.cc",
     "trace_sorter.h",
-    "util/status_macros.h",
     "virtual_destructors.cc",
   ]
   deps = [
-    ":descriptors",
     ":track_event_descriptor",
     "../../gn:default_deps",
     "../base",
@@ -172,6 +140,8 @@
     "storage",
     "tables",
     "types",
+    "util",
+    "util:descriptors",
   ]
   public_deps = [
     "../../include/perfetto/trace_processor:storage",
@@ -387,11 +357,8 @@
     "importers/syscalls/syscall_tracker_unittest.cc",
     "importers/systrace/systrace_parser_unittest.cc",
     "trace_sorter_unittest.cc",
-    "util/protozero_to_text_unittests.cc",
   ]
   deps = [
-    ":descriptors",
-    ":protozero_to_text",
     ":storage_full",
     "../../gn:default_deps",
     "../../gn:gtest_and_gmock",
@@ -416,6 +383,7 @@
     "tables:unittests",
     "types",
     "types:unittests",
+    "util:unittests",
   ]
 
   if (enable_perfetto_trace_processor_sqlite) {
diff --git a/src/trace_processor/metrics/BUILD.gn b/src/trace_processor/metrics/BUILD.gn
index 3357d9b..4ee3098 100644
--- a/src/trace_processor/metrics/BUILD.gn
+++ b/src/trace_processor/metrics/BUILD.gn
@@ -85,7 +85,7 @@
     ]
     public_deps = [
       ":gen_merged_sql_metrics",
-      "../../trace_processor:descriptors",
+      "../util:descriptors",
     ]
   }
 
diff --git a/src/trace_processor/util/BUILD.gn b/src/trace_processor/util/BUILD.gn
new file mode 100644
index 0000000..28f1781
--- /dev/null
+++ b/src/trace_processor/util/BUILD.gn
@@ -0,0 +1,67 @@
+# Copyright (C) 2020 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("../../../gn/perfetto.gni")
+
+source_set("util") {
+  sources = [ "status_macros.h" ]
+  deps = [
+    "../../../gn:default_deps",
+    "../../../include/perfetto/trace_processor:basic_types",
+  ]
+}
+
+source_set("protozero_to_text") {
+  sources = [
+    "protozero_to_text.cc",
+    "protozero_to_text.h",
+  ]
+  deps = [
+    ":descriptors",
+    "..:track_event_descriptor",
+    "../../../gn:default_deps",
+    "../../../protos/perfetto/common:zero",
+    "../../../protos/perfetto/trace/track_event:zero",
+    "../../base",
+    "../../protozero",
+  ]
+}
+
+source_set("descriptors") {
+  sources = [
+    "descriptors.cc",
+    "descriptors.h",
+  ]
+  deps = [
+    "..:track_event_descriptor",
+    "../../../gn:default_deps",
+    "../../../include/perfetto/trace_processor",
+    "../../../protos/perfetto/common:zero",
+    "../../base",
+    "../../protozero",
+  ]
+}
+
+source_set("unittests") {
+  sources = [ "protozero_to_text_unittests.cc" ]
+  testonly = true
+  deps = [
+    ":protozero_to_text",
+    "..:track_event_descriptor",
+    "../../../gn:default_deps",
+    "../../../gn:gtest_and_gmock",
+    "../../../protos/perfetto/trace/track_event:zero",
+    "../../protozero",
+  ]
+}