cc : Stop pushing layers from hidden subtrees at commit

cc/layers/surface_layer.h

 // Copyright 2014 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.
 
 #ifndef CC_LAYERS_SURFACE_LAYER_H_
 #define CC_LAYERS_SURFACE_LAYER_H_
 
 #include "base/macros.h"
 #include "cc/cc_export.h"
 #include "cc/layers/layer.h"
@@ skipping 13 matching lines @@
   void SetPrimarySurfaceInfo(const SurfaceInfo& surface_info);
   void SetFallbackSurfaceInfo(const SurfaceInfo& surface_info);
 
   // When stretch_content_to_fill_bounds is true, the scale of the embedded
   // surface is ignored and the content will be stretched to fill the bounds.
   void SetStretchContentToFillBounds(bool stretch_content_to_fill_bounds);
 
   // Layer overrides.
   std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
   void SetLayerTreeHost(LayerTreeHost* host) override;
+  bool IsSurfaceLayer() const override;
+  const SurfaceId* GetSurfaceId() const override;
   void PushPropertiesTo(LayerImpl* layer) override;
 
   scoped_refptr<SurfaceReferenceFactory> surface_reference_factory() const {
     return ref_factory_;
   }
 
   const SurfaceInfo& primary_surface_info() const {
     return primary_surface_info_;
   }
 
@@ skipping 17 matching lines @@
 
   scoped_refptr<SurfaceReferenceFactory> ref_factory_;
   bool stretch_content_to_fill_bounds_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceLayer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_SURFACE_LAYER_H_