HUD: Show first paint invalidation in red

cc/layers/layer.cc

 // Copyright 2010 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.h"
 
 #include <algorithm>
 
 #include "base/atomic_sequence_num.h"
 #include "base/debug/trace_event.h"
@@ skipping 1053 matching lines @@
 }
 
 bool Layer::NeedMoreUpdates() {
   return false;
 }
 
 bool Layer::IsSuitableForGpuRasterization() const {
   return true;
 }
 
-scoped_refptr<base::debug::ConvertableToTraceFormat> Layer::TakeDebugInfo() {
+scoped_refptr<LayerDebugInfo> Layer::TakeDebugInfo() {
   if (client_)
     return client_->TakeDebugInfo();
   else
     return NULL;
 }
 
 void Layer::CreateRenderSurface() {
   DCHECK(!draw_properties_.render_surface);
   draw_properties_.render_surface = make_scoped_ptr(new RenderSurface(this));
   draw_properties_.render_target = this;
@@ skipping 148 matching lines @@
 
 void Layer::RunMicroBenchmark(MicroBenchmark* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 bool Layer::HasDelegatedContent() const {
   return false;
 }
 
 }  // namespace cc