[url_launcher_web] Added support for mailto in url_launcher_web plugin (#2490)

* Unit tests
* Updated version and CHANGELOG
diff --git a/packages/url_launcher/url_launcher_web/CHANGELOG.md b/packages/url_launcher/url_launcher_web/CHANGELOG.md
index 088dc5f..df73939 100644
--- a/packages/url_launcher/url_launcher_web/CHANGELOG.md
+++ b/packages/url_launcher/url_launcher_web/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.1.1
+
+- Added support for mailto scheme
+
 # 0.1.0+2
 
 - Remove androidx references from the no-op android implemenation.
diff --git a/packages/url_launcher/url_launcher_web/lib/url_launcher_web.dart b/packages/url_launcher/url_launcher_web/lib/url_launcher_web.dart
index 8882303..c37d872 100644
--- a/packages/url_launcher/url_launcher_web/lib/url_launcher_web.dart
+++ b/packages/url_launcher/url_launcher_web/lib/url_launcher_web.dart
@@ -27,8 +27,9 @@
     final Uri parsedUrl = Uri.tryParse(url);
     if (parsedUrl == null) return Future<bool>.value(false);
 
-    return Future<bool>.value(
-        parsedUrl.isScheme('http') || parsedUrl.isScheme('https'));
+    return Future<bool>.value(parsedUrl.isScheme('http') ||
+        parsedUrl.isScheme('https') ||
+        parsedUrl.isScheme('mailto'));
   }
 
   @override
diff --git a/packages/url_launcher/url_launcher_web/pubspec.yaml b/packages/url_launcher/url_launcher_web/pubspec.yaml
index a831087..d02d250 100644
--- a/packages/url_launcher/url_launcher_web/pubspec.yaml
+++ b/packages/url_launcher/url_launcher_web/pubspec.yaml
@@ -1,7 +1,7 @@
 name: url_launcher_web
 description: Web platform implementation of url_launcher
 homepage: https://github.com/flutter/plugins/tree/master/packages/url_launcher/url_launcher_web
-version: 0.1.0+2
+version: 0.1.1
 
 flutter:
   plugin:
diff --git a/packages/url_launcher/url_launcher_web/test/url_launcher_web_test.dart b/packages/url_launcher/url_launcher_web/test/url_launcher_web_test.dart
index 6109ea7..3fb9b78 100644
--- a/packages/url_launcher/url_launcher_web/test/url_launcher_web_test.dart
+++ b/packages/url_launcher/url_launcher_web/test/url_launcher_web_test.dart
@@ -29,6 +29,10 @@
       expect(canLaunch('https://google.com'), completion(isTrue));
     });
 
+    test('can launch "mailto" URLs', () {
+      expect(canLaunch('mailto:name@mydomain.com'), completion(isTrue));
+    });
+
     test('cannot launch "tel" URLs', () {
       expect(canLaunch('tel:5551234567'), completion(isFalse));
     });
@@ -37,6 +41,10 @@
       expect(launch('https://www.google.com'), completion(isTrue));
     });
 
+    test('launching a "mailto" returns true', () {
+      expect(launch('mailto:name@mydomain.com'), completion(isTrue));
+    });
+
     test('the window that is launched is a new window', () {
       final UrlLauncherPlugin urlLauncherPlugin = UrlLauncherPlugin();
       final html.WindowBase newWindow =