Fixing a problem, where a hung renderer process is not killed when navigating away

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_
 #pragma once
 
 #include <map>
 #include <queue>
@@ skipping 43 matching lines @@
       public base::WaitableEventWatcher::Delegate {
  public:
   explicit RenderProcessHostImpl(content::BrowserContext* browser_context);
   virtual ~RenderProcessHostImpl();
 
   // RenderProcessHost implementation (public portion).
   virtual void EnableSendQueue() OVERRIDE;
   virtual bool Init(bool is_accessibility_enabled) OVERRIDE;
   virtual int GetNextRoutingID() OVERRIDE;
   virtual void CancelResourceRequests(int render_widget_id) OVERRIDE;
-  virtual void CrossSiteSwapOutACK(const ViewMsg_SwapOut_Params& params)
-      OVERRIDE;
+  virtual void SimulateSwapOutACK(
+      const ViewMsg_SwapOut_Params& params) OVERRIDE;
   virtual bool WaitForUpdateMsg(int render_widget_id,
                                 const base::TimeDelta& max_delay,
                                 IPC::Message* msg) OVERRIDE;
   virtual void ReceivedBadMessage() OVERRIDE;
   virtual void WidgetRestored() OVERRIDE;
   virtual void WidgetHidden() OVERRIDE;
   virtual int VisibleWidgetCount() const OVERRIDE;
   virtual bool FastShutdownIfPossible() OVERRIDE;
   virtual void DumpHandles() OVERRIDE;
   virtual base::ProcessHandle GetHandle() OVERRIDE;
@@ skipping 182 matching lines @@
   // filtering for this at the render widget level.
   bool ignore_input_events_;
 
   // Records the last time we regarded the child process active.
   base::TimeTicks child_process_activity_time_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_