Added CommandBufferClient, CommandBufferStub and some IPC messages....

gpu/command_buffer/common/logging.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 15 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 
 // This file abstracts differences in logging between NaCl and host
 // environment.
 
-#ifndef GPU_COMMAND_BUFFER_COMMON_CROSS_LOGGING_H_
-#define GPU_COMMAND_BUFFER_COMMON_CROSS_LOGGING_H_
+#ifndef GPU_COMMAND_BUFFER_COMMON_LOGGING_H_
+#define GPU_COMMAND_BUFFER_COMMON_LOGGING_H_
 
 #ifndef __native_client__
 #include "base/logging.h"
 #else
 #include <sstream>
 
 // TODO: implement logging through nacl's debug service runtime if
 // available.
 #define CHECK(X) do {} while (0)
 #define CHECK_EQ(X, Y) do {} while (0)
 #define CHECK_NE(X, Y) do {} while (0)
 #define CHECK_GT(X, Y) do {} while (0)
 #define CHECK_GE(X, Y) do {} while (0)
 #define CHECK_LT(X, Y) do {} while (0)
 #define CHECK_LE(X, Y) do {} while (0)
 
 #define DCHECK(X) do {} while (0)
 #define DCHECK_EQ(X, Y) do {} while (0)
 #define DCHECK_NE(X, Y) do {} while (0)
 #define DCHECK_GT(X, Y) do {} while (0)
 #define DCHECK_GE(X, Y) do {} while (0)
 #define DCHECK_LT(X, Y) do {} while (0)
 #define DCHECK_LE(X, Y) do {} while (0)
 
 #define LOG(LEVEL) if (0) std::ostringstream()
 #define DLOG(LEVEL) if (0) std::ostringstream()
 
 #endif
 
-#endif  // GPU_COMMAND_BUFFER_COMMON_CROSS_LOGGING_H_
+#endif  // GPU_COMMAND_BUFFER_COMMON_LOGGING_H_