Implement DisplayList GatherPixelRefs

cc/layers/picture_layer.cc

 // Copyright 2012 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/picture_layer.h"
 
 #include "base/auto_reset.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/resources/display_list_recording_source.h"
@@ skipping 67 matching lines @@
   DCHECK(recording_invalidation_.IsEmpty());
 }
 
 void PictureLayer::SetLayerTreeHost(LayerTreeHost* host) {
   Layer::SetLayerTreeHost(host);
   if (!host)
     return;
 
   if (!recording_source_) {
     if (host->settings().use_display_lists) {
-      recording_source_.reset(new DisplayListRecordingSource);
+      recording_source_.reset(new DisplayListRecordingSource(
+          host->settings().default_tile_grid_size));
     } else {
       recording_source_.reset(
           new PicturePile(host->settings().minimum_contents_scale,
                           host->settings().default_tile_grid_size));
     }
   }
   recording_source_->DidMoveToNewCompositor();
   recording_source_->SetSlowdownRasterScaleFactor(
       host->debug_state().slow_down_raster_scale_factor);
 
@@ skipping 108 matching lines @@
 
 bool PictureLayer::HasDrawableContent() const {
   return client_ && Layer::HasDrawableContent();
 }
 
 void PictureLayer::RunMicroBenchmark(MicroBenchmark* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 }  // namespace cc