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

cc/trees/layer_tree_host_impl_unittest.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 <cmath>
 
 #include "base/bind.h"
@@ skipping 142 matching lines @@
   void PostDelayedAnimationTaskOnImplThread(const base::Closure& task,
                                             base::TimeDelta delay) override {
     animation_task_ = task;
     requested_animation_delay_ = delay;
   }
   void DidActivateSyncTree() override {}
   void DidPrepareTiles() override {}
   void DidCompletePageScaleAnimationOnImplThread() override {
     did_complete_page_scale_animation_ = true;
   }
+  base::TimeTicks GetNextBeginImplFrameTimeIfRequested() const override {

[mithro-old, 2015/03/11 04:01:33]

If this method should never be called, then can you please use NOT_REACHED()
here rather than returning a random value which will make it hard to track down
issues in the future - otherwise we should figure out what the correct value is
to return.

[vmpstr, 2015/03/16 18:36:43]

I've added a NOTREACHED.

+    return base::TimeTicks();
+  }
 
   void set_reduce_memory_result(bool reduce_memory_result) {
     reduce_memory_result_ = reduce_memory_result;
   }
 
   virtual bool CreateHostImpl(const LayerTreeSettings& settings,
                               scoped_ptr<OutputSurface> output_surface) {
     host_impl_ = LayerTreeHostImpl::Create(settings,
                                            this,
                                            &proxy_,
@@ skipping 8304 matching lines @@
   // surface.
   EXPECT_EQ(0, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_EQ(1, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_LE(1, num_lost_surfaces_);
 }
 
 }  // namespace
 }  // namespace cc