Make SingleThreadProxy a SchedulerClient

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 433 matching lines @@
     "trees/layer_tree_impl.cc",
     "trees/layer_tree_impl.h",
     "trees/layer_tree_settings.cc",
     "trees/layer_tree_settings.h",
     "trees/occlusion_tracker.cc",
     "trees/occlusion_tracker.h",
     "trees/proxy.cc",
     "trees/proxy.h",
     "trees/proxy_timing_history.cc",
     "trees/proxy_timing_history.h",
+    "trees/scoped_swap_promise_checker.h",

[danakj, 2014/08/10 12:36:09]

I don't see this file. 

     "trees/single_thread_proxy.cc",
     "trees/single_thread_proxy.h",
     "trees/thread_proxy.cc",
     "trees/thread_proxy.h",
     "trees/tree_synchronizer.cc",
     "trees/tree_synchronizer.h",
   ]
 
   if (is_win) {
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
@@ skipping 329 matching lines @@
     "//gpu:test_support",
     "//media",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//testing/perf",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 }