CC Animation: Use ElementId to attach CC animation players.

cc/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 component("cc") {
   sources = [
     "animation/animation.cc",
@@ skipping 687 matching lines @@
     "test/surface_aggregator_test_helpers.cc",
     "test/surface_aggregator_test_helpers.h",
     "test/surface_hittest_test_helpers.cc",
     "test/surface_hittest_test_helpers.h",
     "test/task_graph_runner_test_template.cc",
     "test/task_graph_runner_test_template.h",
     "test/test_context_provider.cc",
     "test/test_context_provider.h",
     "test/test_context_support.cc",
     "test/test_context_support.h",
+    "test/test_element_id.cc",
+    "test/test_element_id.h",
     "test/test_gles2_interface.cc",
     "test/test_gles2_interface.h",
     "test/test_gpu_memory_buffer_manager.cc",
     "test/test_gpu_memory_buffer_manager.h",
     "test/test_hooks.cc",
     "test/test_hooks.h",
     "test/test_image_factory.cc",
     "test/test_image_factory.h",
     "test/test_in_process_context_provider.cc",
     "test/test_in_process_context_provider.h",
@@ skipping 279 matching lines @@
     "//testing/gtest",
     "//testing/perf",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 }
 # When adding support for isolates, please have a look at run-time dependencies
 # in the cc_unittests_run target in cc_tests.gyp.