[WIP] cc: Plumb frame timing info without using a commit.

cc/trees/layer_tree_host_impl.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <set>
@@ skipping 214 matching lines @@
       begin_impl_frame_interval_(BeginFrameArgs::DefaultInterval()),
       animation_registrar_(AnimationRegistrar::Create()),
       rendering_stats_instrumentation_(rendering_stats_instrumentation),
       micro_benchmark_controller_(this),
       shared_bitmap_manager_(shared_bitmap_manager),
       gpu_memory_buffer_manager_(gpu_memory_buffer_manager),
       task_graph_runner_(task_graph_runner),
       id_(id),
       requires_high_res_to_draw_(false),
       is_likely_to_require_a_draw_(false),
-      frame_timing_tracker_(FrameTimingTracker::Create()) {
+      frame_timing_tracker_(FrameTimingTracker::Create(this)) {
   DCHECK(proxy_->IsImplThread());
   DidVisibilityChange(this, visible_);
   animation_registrar_->set_supports_scroll_animations(
       proxy_->SupportsImplScrolling());
 
   SetDebugState(settings.initial_debug_state);
 
   // LTHI always has an active tree.
   active_tree_ =
       LayerTreeImpl::create(this, new SyncedProperty<ScaleGroup>(),
@@ skipping 1920 matching lines @@
   active_tree_->GatherFrameTimingRequestIds(&request_ids);
   if (request_ids.empty())
     return;
 
   base::TimeTicks start_time = start_of_main_frame_args.frame_time;
   base::TimeTicks end_time = expected_next_main_frame_args.frame_time;
   frame_timing_tracker_->SaveMainFrameTimeStamps(
       request_ids, start_time, end_time, active_tree_->source_frame_number());
 }
 
+void LayerTreeHostImpl::PostFrameTimingEvents(
+    scoped_ptr<FrameTimingTracker::CompositeTimingSet> composite_events,
+    scoped_ptr<FrameTimingTracker::MainFrameTimingSet> main_frame_events) {
+  client_->PostFrameTimingEventsOnImplThread(composite_events.Pass(),
+                                             main_frame_events.Pass());
+}
+
 void LayerTreeHostImpl::DestroyTileManager() {
   tile_manager_ = nullptr;
   resource_pool_ = nullptr;
   staging_resource_pool_ = nullptr;
   tile_task_worker_pool_ = nullptr;
   single_thread_synchronous_task_graph_runner_ = nullptr;
 }
 
 bool LayerTreeHostImpl::IsSynchronousSingleThreaded() const {
   return !proxy_->HasImplThread() && !settings_.single_thread_proxy_scheduler;
@@ skipping 1256 matching lines @@
   new_target.SetToMin(layer_impl->MaxScrollOffset());
 
   curve->UpdateTarget(
       animation->TrimTimeToCurrentIteration(CurrentBeginFrameArgs().frame_time)
           .InSecondsF(),
       new_target);
 
   return true;
 }
 }  // namespace cc