cc: Add main frame timing info to frame timing tracker.

cc/layers/layer_impl.cc

 // Copyright 2012 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.
 
 #include "cc/layers/layer_impl.h"
 
 #include "base/json/json_reader.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
@@ skipping 998 matching lines @@
   NoteLayerPropertyChangedForSubtree();
 }
 
 void LayerImpl::PassFrameTimingRequests(
     std::vector<FrameTimingRequest>* requests) {
   frame_timing_requests_.swap(*requests);
   frame_timing_requests_dirty_ = true;
   SetNeedsPushProperties();
 }
 
+void LayerImpl::GatherFrameTimingRequestIds(std::vector<int64_t>* request_ids) {
+  for (const auto& request : frame_timing_requests_)
+    request_ids->push_back(request.id());
+}
+
 void LayerImpl::SetTransform(const gfx::Transform& transform) {
   if (transform_ == transform)
     return;
 
   transform_ = transform;
   transform_is_invertible_ = transform_.IsInvertible();
   NoteLayerPropertyChangedForSubtree();
 }
 
 void LayerImpl::SetTransformAndInvertibility(const gfx::Transform& transform,
@@ skipping 527 matching lines @@
   SetNeedsPushProperties();
   layer_tree_impl()->set_needs_update_draw_properties();
   if (should_have_render_surface) {
     render_surface_ = make_scoped_ptr(new RenderSurfaceImpl(this));
     return;
   }
   render_surface_.reset();
 }
 
 }  // namespace cc