Unified BeginFrame scheduling

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.
 
 component("cc") {
   sources = [
     "animation/animation.cc",
     "animation/animation.h",
     "animation/animation_curve.cc",
     "animation/animation_curve.h",
@@ skipping 425 matching lines @@
     "scheduler/scheduler_state_machine.cc",
     "scheduler/scheduler_state_machine.h",
     "trees/blocking_task_runner.cc",
     "trees/blocking_task_runner.h",
     "trees/damage_tracker.cc",
     "trees/damage_tracker.h",
     "trees/layer_sorter.cc",
     "trees/layer_sorter.h",
     "trees/layer_tree_host.cc",
     "trees/layer_tree_host.h",
+    "trees/layer_tree_host_client.cc",
     "trees/layer_tree_host_client.h",
     "trees/layer_tree_host_common.cc",
     "trees/layer_tree_host_common.h",
     "trees/layer_tree_host_impl.cc",
     "trees/layer_tree_host_impl.h",
     "trees/layer_tree_impl.cc",
     "trees/layer_tree_impl.h",
     "trees/layer_tree_settings.cc",
     "trees/layer_tree_settings.h",
     "trees/occlusion_tracker.cc",
@@ skipping 350 matching lines @@
     "//gpu/command_buffer/common:gles2_utils",
     "//media",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//testing/perf",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 }