Enable more tests in GN build.

cc/cc.gyp

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
+      # GN version: //cc
       'target_name': 'cc',
       'type': '<(component)',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '<(DEPTH)/gpu/gpu.gyp:gpu',
         '<(DEPTH)/media/media.gyp:media',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/ui/events/events.gyp:events_base',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx_geometry',
         '<(DEPTH)/ui/gl/gl.gyp:gl',
       ],
       'variables': {
         'optimize': 'max',
       },
       'export_dependent_settings': [
         '<(DEPTH)/skia/skia.gyp:skia',
       ],
       'defines': [
         'CC_IMPLEMENTATION=1',
       ],
       'sources': [
+        # Note: file list duplicated in GN build.
         'animation/animation.cc',
         'animation/animation.h',
         'animation/animation_curve.cc',
         'animation/animation_curve.h',
         'animation/animation_delegate.h',
         'animation/animation_events.cc',
         'animation/animation_events.h',
         'animation/animation_id_provider.cc',
         'animation/animation_id_provider.h',
         'animation/animation_registrar.cc',
@@ skipping 428 matching lines @@
         'trees/single_thread_proxy.h',
         'trees/thread_proxy.cc',
         'trees/thread_proxy.h',
         'trees/tree_synchronizer.cc',
         'trees/tree_synchronizer.h',
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
+      # GN version: //cc/surfaces
       'target_name': 'cc_surfaces',
       'type': '<(component)',
       'dependencies': [
         'cc',
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx',
         '<(DEPTH)/ui/gfx/gfx.gyp:gfx_geometry',
       ],
       'defines': [
         'CC_SURFACES_IMPLEMENTATION=1',
       ],
       'sources': [
+        # Note: file list duplicated in GN build.
         'surfaces/display.cc',
         'surfaces/display.h',
         'surfaces/display_client.h',
         'surfaces/surface.cc',
         'surfaces/surface.h',
         'surfaces/surface_aggregator.cc',
         'surfaces/surface_aggregator.h',
         'surfaces/surface_factory.cc',
         'surfaces/surface_factory.h',
         'surfaces/surface_factory_client.h',
         'surfaces/surface_id.h',
         'surfaces/surface_id_allocator.cc',
         'surfaces/surface_id_allocator.h',
         'surfaces/surface_manager.cc',
         'surfaces/surface_manager.h',
         'surfaces/surface_resource_holder.cc',
         'surfaces/surface_resource_holder.h',
         'surfaces/surfaces_export.h',
       ],
     },
   ],
 }