cc: Switch ContentLayerUpdater to use RenderingStatsInstrumentation

cc/trees/layer_tree_host.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.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 873 matching lines @@
       base::debug::TraceLog::GetInstance() &&
       base::debug::TraceLog::GetInstance()->IsEnabled();
   OcclusionTracker occlusion_tracker(
       root_layer_->render_surface()->content_rect(), record_metrics_for_frame);
   occlusion_tracker.set_minimum_tracking_size(
       settings_.minimum_occlusion_tracking_size);
 
   PrioritizeTextures(render_surface_layer_list,
                      occlusion_tracker.overdraw_metrics());
 
+  printf("LayerTreeHost::PaintLayerContents\n");
+
   // TODO(egraether): Use RenderingStatsInstrumentation in Layer::update()
   RenderingStats stats;
   RenderingStats* stats_ptr =
       debug_state_.RecordRenderingStats() ? &stats : NULL;
 
   LayerIteratorType end = LayerIteratorType::End(&render_surface_layer_list);
   for (LayerIteratorType it =
            LayerIteratorType::Begin(&render_surface_layer_list);
        it != end;
        ++it) {
@@ skipping 173 matching lines @@
     SetAnimationEventsRecursive(events,
                                 layer->children()[child_index].get(),
                                 wall_clock_time);
 }
 
 skia::RefPtr<SkPicture> LayerTreeHost::CapturePicture() {
   return proxy_->CapturePicture();
 }
 
 }  // namespace cc