Implements core logic for Pixel Canvas

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 "base/trace_event/trace_event.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
@@ skipping 112 matching lines @@
 
   if (updated) {
     picture_layer_inputs_.display_list =
         picture_layer_inputs_.client->PaintContentsToDisplayList(
             ContentLayerClient::PAINTING_BEHAVIOR_NORMAL);
     picture_layer_inputs_.painter_reported_memory_usage =
         picture_layer_inputs_.client->GetApproximateUnsharedMemoryUsage();
     recording_source_->UpdateDisplayItemList(
         picture_layer_inputs_.display_list,
         picture_layer_inputs_.painter_reported_memory_usage);
+    recording_source_->SetRecordingScaleFactor(
+        layer_tree_host()->recording_scale_factor());
+
     SetNeedsPushProperties();
   } else {
     // If this invalidation did not affect the recording source, then it can be
     // cleared as an optimization.
     last_updated_invalidation_.Clear();
   }
 
   return updated;
 }
 
@@ skipping 143 matching lines @@
     return false;
 
   return true;
 }
 
 const DisplayItemList* PictureLayer::GetDisplayItemList() {
   return picture_layer_inputs_.display_list.get();
 }
 
 }  // namespace cc