WIP - compositor worker mega patch.

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("//testing/test.gni")
 
 component("cc") {
   sources = [
     "animation/animation.cc",
     "animation/animation.h",
@@ skipping 14 matching lines @@
     "animation/animation_timeline.h",
     "animation/element_animations.cc",
     "animation/element_animations.h",
     "animation/keyframed_animation_curve.cc",
     "animation/keyframed_animation_curve.h",
     "animation/layer_animation_controller.cc",
     "animation/layer_animation_controller.h",
     "animation/layer_animation_event_observer.h",
     "animation/layer_animation_value_observer.h",
     "animation/layer_animation_value_provider.h",
+    "animation/layer_tree_mutator.h",
     "animation/scroll_offset_animation_curve.cc",
     "animation/scroll_offset_animation_curve.h",
     "animation/scrollbar_animation_controller.cc",
     "animation/scrollbar_animation_controller.h",
     "animation/scrollbar_animation_controller_linear_fade.cc",
     "animation/scrollbar_animation_controller_linear_fade.h",
     "animation/scrollbar_animation_controller_thinning.cc",
     "animation/scrollbar_animation_controller_thinning.h",
     "animation/timing_function.cc",
     "animation/timing_function.h",
@@ skipping 938 matching lines @@
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 
   if (is_android) {
     isolate_file = "cc_perftests.isolate"
   }
 }
 # When adding support for isolates, please have a look at run-time dependencies
 # in the cc_unittests_run target in cc_tests.gyp.