Add BeginFrameObserverProxy

content/content_tests.gypi

 # Copyright (c) 2013 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': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 475 matching lines @@
       'browser/quota/mock_quota_manager_proxy.h',
       'browser/quota/mock_quota_manager_unittest.cc',
       'browser/quota/quota_backend_impl_unittest.cc',
       'browser/quota/quota_database_unittest.cc',
       'browser/quota/quota_manager_unittest.cc',
       'browser/quota/quota_reservation_manager_unittest.cc',
       'browser/quota/quota_temporary_storage_evictor_unittest.cc',
       'browser/quota/storage_monitor_unittest.cc',
       'browser/quota/usage_tracker_unittest.cc',
       'browser/renderer_host/clipboard_message_filter_unittest.cc',
+      'browser/renderer_host/compositor_begin_frame_observer_impl_unittest.cc',
       'browser/renderer_host/input/gesture_event_queue_unittest.cc',
       'browser/renderer_host/input/input_router_impl_unittest.cc',
       'browser/renderer_host/input/mock_input_ack_handler.cc',
       'browser/renderer_host/input/mock_input_ack_handler.h',
       'browser/renderer_host/input/mock_input_router_client.cc',
       'browser/renderer_host/input/mock_input_router_client.h',
       'browser/renderer_host/input/stylus_text_selector_unittest.cc',
       'browser/renderer_host/input/synthetic_gesture_controller_unittest.cc',
       'browser/renderer_host/input/tap_suppression_controller_unittest.cc',
       'browser/renderer_host/input/touch_action_filter_unittest.cc',
@@ skipping 620 matching lines @@
           'sources/': [
             ['exclude', '^browser/compositor/'],
           ],
         }],
         ['OS == "android"', {
           'sources': [ '<@(content_unittests_android_sources)' ],
           'sources!': [
             'browser/geolocation/network_location_provider_unittest.cc',
             'browser/geolocation/wifi_data_provider_common_unittest.cc',
             'browser/media/audio_stream_monitor_unittest.cc',
+            'browser/renderer_host/compositor_begin_frame_observer_impl_unittest.cc',

[no sievers, 2015/03/20 22:45:21]

nit: same here... use_aura!=1 would be more correct than android.

             'browser/webui/url_data_manager_backend_unittest.cc',
           ],
           'dependencies': [
             '../testing/android/native_test.gyp:native_test_native_code',
           ],
         }],
         ['OS != "android" and OS != "ios"', {
           'dependencies': [
             '../third_party/libvpx/libvpx.gyp:libvpx',
           ],
@@ skipping 1015 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }