Add support for invoking the Windows 8 metro style hung renderer dialog box. The dialog box

chrome/browser/ui/views/hung_renderer_view.h

Index: chrome/browser/ui/views/hung_renderer_view.h
===================================================================
--- chrome/browser/ui/views/hung_renderer_view.h	(revision 147919)
+++ chrome/browser/ui/views/hung_renderer_view.h	(working copy)
@@ -99,9 +99,17 @@
   // Factory function for creating an instance of the HungRendererDialogView
   // class. At any given point only one instance can be active.
   static HungRendererDialogView* Create();
+
   // Returns a pointer to the singleton instance if any.
   static HungRendererDialogView* GetInstance();
 
+  // Platform specific function to kill the renderer process identified by the
+  // handle passed in.
+  static void KillRendererProcess(base::ProcessHandle process_handle);
+
+  // Returns true if the frame is in the foreground.
+  static bool IsFrameActive(WebContents* contents);
+
   virtual void ShowForWebContents(WebContents* contents);
   virtual void EndForWebContents(WebContents* contents);
 
@@ -130,9 +138,6 @@
                                     views::View* parent,
                                     views::View* child) OVERRIDE;
 
-  // Returns true if the frame is in the foreground.
-  bool IsFrameActive(WebContents* contents);
-
   static HungRendererDialogView* g_instance_;
 
  private: