Added a unique command buffer ID for command buffers.

gpu/command_buffer/tests/gl_manager.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.
 
 #include "gpu/command_buffer/tests/gl_manager.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
 
@@ skipping 420 matching lines @@
 
 void GLManager::SetLock(base::Lock*) {
   NOTIMPLEMENTED();
 }
 
 bool GLManager::IsGpuChannelLost() {
   NOTIMPLEMENTED();
   return false;
 }
 
+gpu::CommandBufferNamespace GLManager::GetNamespaceID() const {
+  return gpu::CommandBufferNamespace::IN_PROCESS;
+}
+
+uint64_t GLManager::GetCommandBufferID() const {
+  return 0;
+}
+
 }  // namespace gpu