[Android] Add workaround to unbind gpu memory buffer only on NVIDIA

gpu/command_buffer/service/image_manager.h

 // Copyright (c) 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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
@@ skipping 19 matching lines @@
                                        gfx::GpuMemoryBufferHandle buffer,
                                        size_t width,
                                        size_t height,
                                        unsigned internalformat) OVERRIDE;
   virtual void DestroyGpuMemoryBuffer(int32 id) OVERRIDE;
 
   void AddImage(gfx::GLImage* gl_image, int32 service_id);
   void RemoveImage(int32 service_id);
   gfx::GLImage* LookupImage(int32 service_id);
 
+  // For Android specific workaround.
+  void SetReleaseAfterUse();
+
  private:
   friend class base::RefCounted<ImageManager>;
 
   virtual ~ImageManager();
 
   typedef base::hash_map<uint32, scoped_refptr<gfx::GLImage> > GLImageMap;
   GLImageMap gl_images_;
 
+  bool release_after_use_;
+
   DISALLOW_COPY_AND_ASSIGN(ImageManager);
 };
 
 }  // namespage gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_IMAGE_MANAGER_H_