Force swap buffers when re-creating the buffers

cc/surfaces/display.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_SURFACES_DISPLAY_H_
 #define CC_SURFACES_DISPLAY_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 69 matching lines @@
   void SetExternalDrawConstraints(
       const gfx::Transform& transform,
       const gfx::Rect& viewport,
       const gfx::Rect& clip,
       const gfx::Rect& viewport_rect_for_tile_priority,
       const gfx::Transform& transform_for_tile_priority,
       bool resourceless_software_draw) override;
   void SetMemoryPolicy(const ManagedMemoryPolicy& policy) override;
   void SetTreeActivationCallback(const base::Closure& callback) override;
   void OnDraw() override;
+  void ForceSwap() override;
 
   // RendererClient implementation.
   void SetFullRootLayerDamage() override;
 
   // SurfaceDamageObserver implementation.
   void OnSurfaceDamaged(SurfaceId surface, bool* changed) override;
 
  private:
   void InitializeRenderer();
   void UpdateRootSurfaceResourcesLocked();
@@ skipping 15 matching lines @@
   scoped_ptr<DirectRenderer> renderer_;
   scoped_ptr<TextureMailboxDeleter> texture_mailbox_deleter_;
   std::vector<ui::LatencyInfo> stored_latency_info_;
 
   DISALLOW_COPY_AND_ASSIGN(Display);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_DISPLAY_H_