cc: Adding BeginFrameObserverMap.

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_host_unittest.cc',
       'animation/animation_player_unittest.cc',
       'animation/animation_timeline_unittest.cc',
       'animation/animation_unittest.cc',
       'animation/element_animations_unittest.cc',
       'animation/keyframed_animation_curve_unittest.cc',
       'animation/layer_animation_controller_unittest.cc',
       'animation/scroll_offset_animation_curve_unittest.cc',
       'animation/scrollbar_animation_controller_linear_fade_unittest.cc',
       'animation/scrollbar_animation_controller_thinning_unittest.cc',
       'animation/transform_operations_unittest.cc',
       'base/delayed_unique_notifier_unittest.cc',
       'base/float_quad_unittest.cc',
       'base/histograms_unittest.cc',
       'base/list_container_unittest.cc',
       'base/math_util_unittest.cc',
+      'base/observer_map_unittest.cc',
       'base/region_unittest.cc',
       'base/rolling_time_delta_history_unittest.cc',
       'base/scoped_ptr_vector_unittest.cc',
       'base/sidecar_list_container_unittest.cc',
       'base/simple_enclosed_region_unittest.cc',
       'base/tiling_data_unittest.cc',
       'base/unique_notifier_unittest.cc',
       'debug/frame_timing_tracker_unittest.cc',
       'debug/micro_benchmark_controller_unittest.cc',
       'debug/rendering_stats_unittest.cc',
@@ skipping 440 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }