gpu: Add CopyTexImage function to GLImage API.

content/common/gpu/stream_texture_android.h

 // Copyright (c) 2013 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 CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_
 #define CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
@@ skipping 19 matching lines @@
   StreamTexture(GpuCommandBufferStub* owner_stub,
                 int32 route_id,
                 uint32 texture_id);
   virtual ~StreamTexture();
 
   // gfx::GLImage implementation:
   virtual void Destroy(bool have_context) OVERRIDE;
   virtual gfx::Size GetSize() OVERRIDE;
   virtual bool BindTexImage(unsigned target) OVERRIDE;
   virtual void ReleaseTexImage(unsigned target) OVERRIDE;
+  virtual bool CopyTexImage(unsigned target) OVERRIDE;
   virtual void WillUseTexImage() OVERRIDE;
   virtual void DidUseTexImage() OVERRIDE {}
   virtual void WillModifyTexImage() OVERRIDE {}
   virtual void DidModifyTexImage() OVERRIDE {}
   virtual bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
                                     int z_order,
                                     gfx::OverlayTransform transform,
                                     const gfx::Rect& bounds_rect,
                                     const gfx::RectF& crop_rect) OVERRIDE;
 
@@ skipping 29 matching lines @@
   int32 route_id_;
   bool has_listener_;
 
   base::WeakPtrFactory<StreamTexture> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(StreamTexture);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_STREAM_TEXTURE_ANDROID_H_