Remove CommandBuffer::GetTransferBuffer.

ppapi/proxy/ppapi_command_buffer_proxy.h

Index: ppapi/proxy/ppapi_command_buffer_proxy.h
diff --git a/ppapi/proxy/ppapi_command_buffer_proxy.h b/ppapi/proxy/ppapi_command_buffer_proxy.h
index 311630613174b957d9fc4a2682071948caf663f0..20a09a5c59b9b7f3f5cd4e6da4b2b8e533ea7ecb 100644
--- a/ppapi/proxy/ppapi_command_buffer_proxy.h
+++ b/ppapi/proxy/ppapi_command_buffer_proxy.h
@@ -37,15 +37,9 @@ class PPAPI_PROXY_EXPORT PpapiCommandBufferProxy : public gpu::CommandBuffer,
   virtual void WaitForTokenInRange(int32 start, int32 end) OVERRIDE;
   virtual void WaitForGetOffsetInRange(int32 start, int32 end) OVERRIDE;
   virtual void SetGetBuffer(int32 transfer_buffer_id) OVERRIDE;
-  virtual void SetGetOffset(int32 get_offset) OVERRIDE;
   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
                                                           int32* id) OVERRIDE;
   virtual void DestroyTransferBuffer(int32 id) OVERRIDE;
-  virtual scoped_refptr<gpu::Buffer> GetTransferBuffer(int32 id) OVERRIDE;
-  virtual void SetToken(int32 token) OVERRIDE;
-  virtual void SetParseError(gpu::error::Error error) OVERRIDE;
-  virtual void SetContextLostReason(gpu::error::ContextLostReason reason)
-      OVERRIDE;
 
   // gpu::GpuControl implementation:
   virtual gpu::Capabilities GetCapabilities() OVERRIDE;
@@ -70,9 +64,6 @@ class PPAPI_PROXY_EXPORT PpapiCommandBufferProxy : public gpu::CommandBuffer,
   bool Send(IPC::Message* msg);
   void UpdateState(const gpu::CommandBuffer::State& state, bool success);
 
-  typedef base::hash_map<int32, scoped_refptr<gpu::Buffer> > TransferBufferMap;
-  TransferBufferMap transfer_buffers_;
-
   State last_state_;
 
   HostResource resource_;