cc: Split ReleaseResources into Release and Recreate.

cc/layers/layer_impl.h

 // 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.
 
 #ifndef CC_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 529 matching lines @@
   virtual SimpleEnclosedRegion VisibleContentOpaqueRegion() const;
 
   virtual void DidBecomeActive();
 
   virtual void DidBeginTracing();
 
   // Release resources held by this layer. Called when the output surface
   // that rendered this layer was lost or a rendering mode switch has occured.
   virtual void ReleaseResources();
 
+  // Recreate resources that are required after they were released by a
+  // ReleaseResources call.
+  virtual void RecreateResources();
+
   ScrollbarAnimationController* scrollbar_animation_controller() const {
     return scrollbar_animation_controller_.get();
   }
 
   typedef std::set<ScrollbarLayerImplBase*> ScrollbarSet;
   ScrollbarSet* scrollbars() { return scrollbars_.get(); }
   void ClearScrollbars();
   void AddScrollbar(ScrollbarLayerImplBase* layer);
   void RemoveScrollbar(ScrollbarLayerImplBase* layer);
   bool HasScrollbar(ScrollbarOrientation orientation) const;
@@ skipping 210 matching lines @@
 
   std::vector<FrameTimingRequest> frame_timing_requests_;
   bool frame_timing_requests_dirty_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_