Add OrderingBarrierCHROMIUM API.

gpu/command_buffer/client/client_test_helper.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.
 
 // Tests for GLES2Implementation.
 
 #include "gpu/command_buffer/client/client_test_helper.h"
 
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/client/cmd_buffer_helper.h"
@@ skipping 112 matching lines @@
   DelegateToFake();
 }
 
 MockClientCommandBuffer::~MockClientCommandBuffer() {
 }
 
 void MockClientCommandBuffer::Flush(int32 put_offset) {
   FlushHelper(put_offset);
 }
 
+void MockClientCommandBuffer::OrderingBarrier(int32 put_offset) {
+  FlushHelper(put_offset);
+}
+
 void MockClientCommandBuffer::DelegateToFake() {
   ON_CALL(*this, DestroyTransferBuffer(_))
       .WillByDefault(Invoke(
           this, &MockCommandBufferBase::DestroyTransferBufferHelper));
 }
 
 MockClientCommandBufferMockFlush::MockClientCommandBufferMockFlush() {
   DelegateToFake();
 }
 
 MockClientCommandBufferMockFlush::~MockClientCommandBufferMockFlush() {
 }
 
 void MockClientCommandBufferMockFlush::DelegateToFake() {
   MockClientCommandBuffer::DelegateToFake();
   ON_CALL(*this, Flush(_))
       .WillByDefault(Invoke(
           this, &MockCommandBufferBase::FlushHelper));
 }
 
 MockClientGpuControl::MockClientGpuControl() {
 }
 
 MockClientGpuControl::~MockClientGpuControl() {
 }
 
 }  // namespace gpu