cc: Add frame timing request plumbing through the layers.

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 62 matching lines @@
     "base/util.h",
     "debug/benchmark_instrumentation.cc",
     "debug/benchmark_instrumentation.h",
     "debug/debug_colors.cc",
     "debug/debug_colors.h",
     "debug/debug_rect_history.cc",
     "debug/debug_rect_history.h",
     "debug/devtools_instrumentation.h",
     "debug/frame_rate_counter.cc",
     "debug/frame_rate_counter.h",
+    "debug/frame_timing_request.cc",
+    "debug/frame_timing_request.h",
     "debug/frame_timing_tracker.cc",
     "debug/frame_timing_tracker.h",
     "debug/frame_viewer_instrumentation.cc",
     "debug/frame_viewer_instrumentation.h",
     "debug/invalidation_benchmark.cc",
     "debug/invalidation_benchmark.h",
     "debug/lap_timer.cc",
     "debug/lap_timer.h",
     "debug/layer_tree_debug_state.cc",
     "debug/layer_tree_debug_state.h",
@@ skipping 818 matching lines @@
     "//media",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//testing/perf",
     "//ui/gfx",
     "//ui/gfx/geometry",
     "//ui/gl",
   ]
 }