Change CHROMIUM_image declarations to support multi planar input.

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 142 matching lines @@
       .WillByDefault(Invoke(
           this, &MockCommandBufferBase::FlushHelper));
 }
 
 MockClientGpuControl::MockClientGpuControl() {
 }
 
 MockClientGpuControl::~MockClientGpuControl() {
 }
 
+int32_t MockClientGpuControl::CreateImage(ClientBuffer* const buffers,
+                                          size_t width, size_t height,
+                                          unsigned internalformat) {
+  return DoCreateImage();
+}
+
 }  // namespace gpu