Adding gtest helpers for BeginFrameArgs.

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 36 matching lines @@
       'layers/solid_color_layer_impl_unittest.cc',
       'layers/solid_color_scrollbar_layer_impl_unittest.cc',
       'layers/surface_layer_impl_unittest.cc',
       'layers/texture_layer_unittest.cc',
       'layers/texture_layer_impl_unittest.cc',
       'layers/tiled_layer_impl_unittest.cc',
       'layers/tiled_layer_unittest.cc',
       'layers/ui_resource_layer_impl_unittest.cc',
       'layers/ui_resource_layer_unittest.cc',
       'layers/video_layer_impl_unittest.cc',
+      'output/begin_frame_args_unittest.cc',
       'output/delegating_renderer_unittest.cc',
       'output/filter_operations_unittest.cc',
       'output/gl_renderer_unittest.cc',
       'output/output_surface_unittest.cc',
       'output/overlay_unittest.cc',
       'output/renderer_pixeltest.cc',
       'output/renderer_unittest.cc',
       'output/shader_unittest.cc',
       'output/software_renderer_unittest.cc',
       'quads/draw_quad_unittest.cc',
@@ skipping 331 matching lines @@
             'variables': {
               'test_suite_name': 'cc_perftests',
             },
             'includes': [ '../build/apk_test.gypi' ],
           },
         ],
       }
     ]
   ],
 }