Remove CommandBuffer::GetTransferBuffer.

ppapi/thunk/ppb_graphics_3d_api.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 PPAPI_THUNK_PPB_GRAPHICS_3D_API_H_
 #define PPAPI_THUNK_PPB_GRAPHICS_3D_API_H_
 
 #include "base/memory/ref_counted.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "ppapi/c/ppb_graphics_3d.h"
@@ skipping 14 matching lines @@
   virtual int32_t GetAttribs(int32_t attrib_list[]) = 0;
   virtual int32_t SetAttribs(const int32_t attrib_list[]) = 0;
   virtual int32_t GetError() = 0;
   virtual int32_t ResizeBuffers(int32_t width, int32_t height) = 0;
   virtual int32_t SwapBuffers(scoped_refptr<TrackedCallback> callback) = 0;
   virtual int32_t GetAttribMaxValue(int32_t attribute, int32_t* value) = 0;
 
   // Graphics3DTrusted API.
   virtual PP_Bool SetGetBuffer(int32_t shm_id) = 0;
   virtual gpu::CommandBuffer::State GetState() = 0;
-  virtual int32_t CreateTransferBuffer(uint32_t size) = 0;
+  virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(uint32_t size,
+                                                          int32_t* id) = 0;
   virtual PP_Bool DestroyTransferBuffer(int32_t id) = 0;
-  virtual PP_Bool GetTransferBuffer(int32_t id,
-                                    int* shm_handle,
-                                    uint32_t* shm_size) = 0;
   virtual PP_Bool Flush(int32_t put_offset) = 0;
   virtual gpu::CommandBuffer::State WaitForTokenInRange(int32_t start,
                                                         int32_t end) = 0;
   virtual gpu::CommandBuffer::State WaitForGetOffsetInRange(int32_t start,
                                                             int32_t end) = 0;
 
   // GLESChromiumTextureMapping.
   virtual void* MapTexSubImage2DCHROMIUM(GLenum target,
                                          GLint level,
                                          GLint xoffset,
                                          GLint yoffset,
                                          GLsizei width,
                                          GLsizei height,
                                          GLenum format,
                                          GLenum type,
                                          GLenum access) = 0;
   virtual void UnmapTexSubImage2DCHROMIUM(const void* mem) = 0;
 
   virtual uint32_t InsertSyncPoint() = 0;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_GRAPHICS_3D_API_H_