Add embedder api for participating in gpu logic

content/public/app/content_main_delegate.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_APP_CONTENT_MAIN_DELEGATE_H_
 #define CONTENT_PUBLIC_APP_CONTENT_MAIN_DELEGATE_H_
 
 #include <string>
 
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 
 template <typename>
 class ScopedVector;
 
 namespace content {
 
 class ContentBrowserClient;
+class ContentGpuClient;
 class ContentPluginClient;
 class ContentRendererClient;
 class ContentUtilityClient;
 class ZygoteForkDelegate;
 struct MainFunctionParams;
 
 class CONTENT_EXPORT ContentMainDelegate {
  public:
   virtual ~ContentMainDelegate() {}
 
@@ skipping 52 matching lines @@
   // Returns whether or not profiler recording should be enabled.
   virtual bool ShouldEnableProfilerRecording();
 
  protected:
   friend class ContentClientInitializer;
 
   // Called once per relevant process type to allow the embedder to customize
   // content. If an embedder wants the default (empty) implementation, don't
   // override this.
   virtual ContentBrowserClient* CreateContentBrowserClient();
+  virtual ContentGpuClient* CreateContentGpuClient();
   virtual ContentPluginClient* CreateContentPluginClient();
   virtual ContentRendererClient* CreateContentRendererClient();
   virtual ContentUtilityClient* CreateContentUtilityClient();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_APP_CONTENT_MAIN_DELEGATE_H_