Stop running pub get at gclient sync time and fix build bugs

mojo/public/dart/third_party/analyzer/test/source/test_all.dart

Index: mojo/public/dart/third_party/analyzer/test/source/test_all.dart
diff --git a/mojo/public/dart/third_party/analyzer/test/source/test_all.dart b/mojo/public/dart/third_party/analyzer/test/source/test_all.dart
new file mode 100644
index 0000000000000000000000000000000000000000..6930bce039e8232f5ec3b8617a7b410279426dbb
--- /dev/null
+++ b/mojo/public/dart/third_party/analyzer/test/source/test_all.dart
@@ -0,0 +1,26 @@
+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library test.source;
+
+import 'package:unittest/unittest.dart';
+
+import '../utils.dart';
+import 'analysis_options_provider_test.dart' as analysis_options_provider_test;
+import 'package_map_provider_test.dart' as package_map_provider_test;
+import 'package_map_resolver_test.dart' as package_map_resolver_test;
+import 'path_filter_test.dart' as path_filter_test;
+import 'sdk_ext_test.dart' as sdk_ext_test;
+
+/// Utility for manually running all tests.
+main() {
+  initializeTestEnvironment();
+  group('source', () {
+    analysis_options_provider_test.main();
+    package_map_provider_test.main();
+    package_map_resolver_test.main();
+    sdk_ext_test.main();
+    path_filter_test.main();
+  });
+}