Remove CommandBuffer::GetTransferBuffer.

gpu/command_buffer/common/command_buffer.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_COMMON_COMMAND_BUFFER_H_
 #define GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_
 
 #include "gpu/command_buffer/common/buffer.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/gpu_export.h"
@@ skipping 95 matching lines @@
   virtual void WaitForTokenInRange(int32 start, int32 end) = 0;
 
   // The writer calls this to wait until the current get offset is within a
   // specific range, inclusive. Can return early if an error is generated.
   virtual void WaitForGetOffsetInRange(int32 start, int32 end) = 0;
 
   // Sets the buffer commands are read from.
   // Also resets the get and put offsets to 0.
   virtual void SetGetBuffer(int32 transfer_buffer_id) = 0;
 
-  // Sets the current get offset. This can be called from any thread.
-  virtual void SetGetOffset(int32 get_offset) = 0;
-
   // Create a transfer buffer of the given size. Returns its ID or -1 on
   // error.
   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size,
                                                           int32* id) = 0;
 
   // Destroy a transfer buffer. The ID must be positive.
   virtual void DestroyTransferBuffer(int32 id) = 0;
 
-  // Get the transfer buffer associated with an ID. Returns a null buffer for
-  // ID 0.
-  virtual scoped_refptr<gpu::Buffer> GetTransferBuffer(int32 id) = 0;
-
-  // Allows the reader to update the current token value.
-  virtual void SetToken(int32 token) = 0;
-
-  // Allows the reader to set the current parse error.
-  virtual void SetParseError(error::Error) = 0;
-
-  // Allows the reader to set the current context lost reason.
-  // NOTE: if calling this in conjunction with SetParseError,
-  // call this first.
-  virtual void SetContextLostReason(error::ContextLostReason) = 0;
-
 // The NaCl Win64 build only really needs the struct definitions above; having
 // GetLastError declared would mean we'd have to also define it, and pull more
 // of gpu in to the NaCl Win64 build.
 #if !defined(NACL_WIN64)
   // TODO(apatrick): this is a temporary optimization while skia is calling
   // RendererGLContext::MakeCurrent prior to every GL call. It saves returning 6
   // ints redundantly when only the error is needed for the CommandBufferProxy
   // implementation.
   virtual error::Error GetLastError();
 #endif
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CommandBuffer);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_COMMAND_BUFFER_H_