Change command buffer client code to use structures....

command_buffer/service/cross/cmd_buffer_engine.h

 /*
  * Copyright 2009, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 113 matching lines @@
   virtual void SignalGetChanges(CommandBufferOffset current_value,
                                 int rpc_message_id);
 
   // Gets the status of the service.
   // Returns:
   //   The status of the service.
   virtual ParserStatus GetStatus();
 
   // Gets the current parse error. The current parse error is set when the
   // service is in the PARSE_ERROR status. It may also be set while in the
-  // PARSING state, if a recoverable error (like PARSE_UNKNOWN_METHOD) was
-  // encountered. Getting the error resets it to PARSE_NO_ERROR.
+  // kParsing state, if a recoverable error (like PARSE_UNKNOWN_METHOD) was
+  // encountered. Getting the error resets it to kParseNoError.
   // Returns:
   //   The current parse error.
   virtual ParseError GetParseError();
 
   // Gets the base address of a registered shared memory buffer.
   // Parameters:
   //   shm_id: the identifier for the shared memory buffer.
   void *GetSharedMemoryAddress(unsigned int shm_id);
 
   // Gets the size of a registered shared memory buffer.
@@ skipping 59 matching lines @@
     void *address;
     size_t size;
   };
   std::vector<MemoryMapping> shared_memory_buffers_;
 };
 
 }  // namespace command_buffer
 }  // namespace o3d
 
 #endif  // O3D_COMMAND_BUFFER_SERVICE_CROSS_CMD_BUFFER_ENGINE_H_