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

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 "base/basictypes.h"
@@ skipping 265 matching lines @@
   DestroyTileManager();
 }
 
 void LayerTreeHostImpl::BeginMainFrameAborted(CommitEarlyOutReason reason) {
   // If the begin frame data was handled, then scroll and scale set was applied
   // by the main thread, so the active tree needs to be updated as if these sent
   // values were applied and committed.
   if (CommitEarlyOutHandledCommit(reason)) {
     active_tree_->ApplySentScrollAndScaleDeltasFromAbortedCommit();
     active_tree_->ResetContentsTexturesPurged();
+    RecordMainFrameTiming();
   }
 }
 
 void LayerTreeHostImpl::BeginCommit() {
   TRACE_EVENT0("cc", "LayerTreeHostImpl::BeginCommit");
 
   // Ensure all textures are returned so partial texture updates can happen
   // during the commit. Impl-side-painting doesn't upload during commits, so
   // is unaffected.
   if (!settings_.impl_side_painting && output_surface_)
@@ skipping 1533 matching lines @@
 
   scoped_ptr<PendingPageScaleAnimation> pending_page_scale_animation =
       active_tree_->TakePendingPageScaleAnimation();
   if (pending_page_scale_animation) {
     StartPageScaleAnimation(
         pending_page_scale_animation->target_offset,
         pending_page_scale_animation->use_anchor,
         pending_page_scale_animation->scale,
         pending_page_scale_animation->duration);
   }
+  RecordMainFrameTiming();
 }
 
 void LayerTreeHostImpl::SetVisible(bool visible) {
   DCHECK(proxy_->IsImplThread());
 
   if (visible_ == visible)
     return;
   visible_ = visible;
   DidVisibilityChange(this, visible_);
   EnforceManagedMemoryPolicy(ActualManagedMemoryPolicy());
@@ skipping 221 matching lines @@
   *resource_pool = ResourcePool::Create(
       resource_provider_.get(), GL_TEXTURE_2D);
 
   *tile_task_worker_pool = PixelBufferTileTaskWorkerPool::Create(
       task_runner, TileTaskWorkerPool::GetTaskGraphRunner(), context_provider,
       resource_provider_.get(),
       GetMaxTransferBufferUsageBytes(context_provider->ContextCapabilities(),
                                      settings_.renderer_settings.refresh_rate));
 }
 
+void LayerTreeHostImpl::SetBeginMainFrameTime(base::TimeTicks frame_time) {
+  main_frame_time_ = frame_time;
+}
+
+void LayerTreeHostImpl::RecordMainFrameTiming() {
+  std::vector<int64_t> request_ids;
+  active_tree_->GatherFrameTimingRequestIds(&request_ids);
+  if (request_ids.empty())
+    return;
+
+  base::TimeTicks end_time = client_->GetNextBeginImplFrameTimeIfRequested();
+  frame_timing_tracker_->SaveMainFrameTimeStamps(
+      request_ids, main_frame_time_, end_time,
+      active_tree_->source_frame_number());
+}
+
 void LayerTreeHostImpl::DestroyTileManager() {
   tile_manager_ = nullptr;
   resource_pool_ = nullptr;
   staging_resource_pool_ = nullptr;
   tile_task_worker_pool_ = nullptr;
   rasterizer_ = nullptr;
   single_thread_synchronous_task_graph_runner_ = nullptr;
 }
 
 bool LayerTreeHostImpl::IsSynchronousSingleThreaded() const {
@@ skipping 1360 matching lines @@
     (*it)->OnSetNeedsRedrawOnImpl();
 }
 
 void LayerTreeHostImpl::NotifySwapPromiseMonitorsOfForwardingToMainThread() {
   std::set<SwapPromiseMonitor*>::iterator it = swap_promise_monitor_.begin();
   for (; it != swap_promise_monitor_.end(); it++)
     (*it)->OnForwardScrollUpdateToMainThreadOnImpl();
 }
 
 }  // namespace cc