cc: Set up the framework to restrict access to Layer internals.

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',
@@ skipping 225 matching lines @@
       'test/fake_tile_manager_client.cc',
       'test/fake_tile_manager_client.h',
       'test/fake_tile_task_manager.cc',
       'test/fake_tile_task_manager.h',
       'test/fake_ui_resource_layer_tree_host_impl.cc',
       'test/fake_ui_resource_layer_tree_host_impl.h',
       'test/fake_video_frame_provider.cc',
       'test/fake_video_frame_provider.h',
       'test/geometry_test_utils.cc',
       'test/geometry_test_utils.h',
+      'test/layer_internals_for_test.cc',
+      'test/layer_internals_for_test.h',
       'test/layer_test_common.cc',
       'test/layer_test_common.h',
       'test/layer_tree_host_common_test.cc',
       'test/layer_tree_host_common_test.h',
       'test/layer_tree_json_parser.cc',
       'test/layer_tree_json_parser.h',
       'test/layer_tree_pixel_resource_test.cc',
       'test/layer_tree_pixel_resource_test.h',
       'test/layer_tree_pixel_test.cc',
       'test/layer_tree_pixel_test.h',
@@ skipping 273 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }