cc: Save correct frame begin time to FrameRateCounter

cc/thread_proxy.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/thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "cc/context_provider.h"
@@ skipping 898 matching lines @@
   // We guard prepareToDraw() with canDraw() because it always returns a valid
   // frame, so can only be used when such a frame is possible. Since
   // drawLayers() depends on the result of prepareToDraw(), it is guarded on
   // canDraw() as well.
 
   LayerTreeHostImpl::FrameData frame;
   bool draw_frame =
       layer_tree_host_impl_->CanDraw() &&
       (layer_tree_host_impl_->PrepareToDraw(&frame) || forced_draw);
   if (draw_frame) {
-    layer_tree_host_impl_->DrawLayers(&frame);
+    layer_tree_host_impl_->DrawLayers(
+        &frame,
+        scheduler_on_impl_thread_->lastVSyncTime());
     result.didDraw = true;
   }
   layer_tree_host_impl_->DidDrawAllLayers(frame);
 
   // Check for tree activation.
   if (completion_event_for_commit_held_on_tree_activation_ &&
       !layer_tree_host_impl_->pending_tree()) {
     TRACE_EVENT_INSTANT0("cc", "ReleaseCommitbyActivation");
     DCHECK(layer_tree_host_impl_->settings().implSidePainting);
     completion_event_for_commit_held_on_tree_activation_->signal();
@@ skipping 386 matching lines @@
 }
 
 void ThreadProxy::RenewTreePriorityOnImplThread() {
   DCHECK(renew_tree_priority_on_impl_thread_pending_);
   renew_tree_priority_on_impl_thread_pending_ = false;
 
   RenewTreePriority();
 }
 
 }  // namespace cc