Add IncrementWorkerRefCount() and DecrementWorkerRefCount() to RenderProcessHostImpl.

content/browser/renderer_host/render_process_host_impl.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_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 111 matching lines @@
   virtual void ResumeRequestsForView(int route_id) OVERRIDE;
   virtual void FilterURL(bool empty_allowed, GURL* url) OVERRIDE;
 #if defined(ENABLE_WEBRTC)
   virtual void EnableAecDump(const base::FilePath& file) OVERRIDE;
   virtual void DisableAecDump() OVERRIDE;
   virtual void SetWebRtcLogMessageCallback(
       base::Callback<void(const std::string&)> callback) OVERRIDE;
 #endif
   virtual void ResumeDeferredNavigation(const GlobalRequestID& request_id)
       OVERRIDE;
+  virtual void SetExternalClientStatus(
+      bool has_external_worker_client) OVERRIDE;
 
   // IPC::Sender via RenderProcessHost.
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // IPC::Listener via RenderProcessHost.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
   virtual void OnChannelError() OVERRIDE;
 
   // ChildProcessLauncher::Client implementation.
@@ skipping 266 matching lines @@
 #if defined(ENABLE_WEBRTC)
   base::Callback<void(const std::string&)> webrtc_log_message_callback_;
 #endif
 
   // Lives on the browser's ChildThread.
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   // Message filter and dispatcher for screen orientation.
   ScreenOrientationDispatcherHost* screen_orientation_dispatcher_host_;
 
+  bool has_external_worker_client_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_