Add RenderThread::GetShutdownEvent().

content/public/renderer/render_thread.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_RENDERER_RENDER_THREAD_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/shared_memory.h"
 #include "base/metrics/user_metrics_action.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_sender.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 class GURL;
 
 namespace base {
 class MessageLoop;
 class MessageLoopProxy;
+class WaitableEvent;
 }
 
 namespace IPC {
 class SyncChannel;
 class SyncMessageFilter;
 }
 
 namespace v8 {
 class Extension;
 }
@@ skipping 79 matching lines @@
   virtual void UpdateHistograms(int sequence_number) = 0;
 
   // Post task to all worker threads. Returns number of workers.
   virtual int PostTaskToAllWebWorkers(const base::Closure& closure) = 0;
 
   // Resolve the proxy servers to use for a given url. On success true is
   // returned and |proxy_list| is set to a PAC string containing a list of
   // proxy servers.
   virtual bool ResolveProxy(const GURL& url, std::string* proxy_list) = 0;
 
+  // Gets the shutdown event for the process.
+  virtual base::WaitableEvent* GetShutdownEvent() = 0;
+
 #if defined(OS_WIN)
   // Request that the given font be loaded by the browser so it's cached by the
   // OS. Please see ChildProcessHost::PreCacheFont for details.
   virtual void PreCacheFont(const LOGFONT& log_font) = 0;
 
   // Release cached font.
   virtual void ReleaseCachedFonts() = 0;
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_