gpu: Thread-safe command buffer state lookup.

gpu/command_buffer/common/cmd_buffer_common.cc

 // 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.
 
 // This file contains the binary format definition of the command buffer and
 // command buffer commands.
 
 #include "gpu/command_buffer/common/cmd_buffer_common.h"
 
 #include <stdint.h>
@@ skipping 14 matching lines @@
   COMMON_COMMAND_BUFFER_CMDS(COMMON_COMMAND_BUFFER_CMD_OP)
 
   #undef COMMON_COMMAND_BUFFER_CMD_OP
   };
 
   int id = static_cast<int>(command_id);
   return (id >= 0 && id < kNumCommands) ? names[id] : "*unknown-command*";
 }
 
 }  // namespace cmd
-
-#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.
-error::Error CommandBuffer::GetLastError() {
-  return GetLastState().error;
-}
-#endif
-
 }  // namespace gpu