cc: Emulate BeginFrame in OutputSurfaces that don't support it natively

cc/cc_tests.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,
     'cc_unit_tests_source_files': [
       'animation/animation_unittest.cc',
       'animation/keyframed_animation_curve_unittest.cc',
@@ skipping 50 matching lines @@
       'resources/resource_update_controller_unittest.cc',
       'resources/scoped_resource_unittest.cc',
       'resources/tile_manager_unittest.cc',
       'resources/tile_priority_unittest.cc',
       'scheduler/delay_based_time_source_unittest.cc',
       'scheduler/frame_rate_controller_unittest.cc',
       'scheduler/rolling_time_delta_history_unittest.cc',
       'scheduler/scheduler_state_machine_unittest.cc',
       'scheduler/scheduler_unittest.cc',
       'scheduler/texture_uploader_unittest.cc',
-      'scheduler/vsync_time_source_unittest.cc',
       'test/fake_web_graphics_context_3d_unittest.cc',
       'trees/damage_tracker_unittest.cc',
       'trees/layer_sorter_unittest.cc',
       'trees/layer_tree_host_common_unittest.cc',
       'trees/layer_tree_host_impl_unittest.cc',
       'trees/layer_tree_host_pixeltest_filters.cc',
       'trees/layer_tree_host_pixeltest_masks.cc',
       'trees/layer_tree_host_pixeltest_on_demand_raster.cc',
       'trees/layer_tree_host_pixeltest_readback.cc',
       'trees/layer_tree_host_unittest_animation.cc',
@@ skipping 238 matching lines @@
           'variables': {
             'test_suite_name': 'cc_perftests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)cc_perftests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }]
   ],
 }