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

chrome/browser/ui/views/hung_renderer_view.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 CHROME_BROWSER_UI_VIEWS_HUNG_RENDERER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_HUNG_RENDERER_VIEW_H_
 
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "content/public/browser/web_contents.h"
@@ skipping 117 matching lines @@
   // views::View overrides:
   virtual void ViewHierarchyChanged(bool is_add,
                                     views::View* parent,
                                     views::View* child) OVERRIDE;
 
   // Returns true if the frame is in the foreground.
   bool IsFrameActive(WebContents* contents);
 
   static HungRendererDialogView* g_instance_;
 
+  // Helper function to kill the renderer process identified by the handle
+  // passed in.
+  static void KillRendererProcess(base::ProcessHandle process_handle);
+
  private:
   // Initialize the controls in this dialog.
   void Init();
   void CreateKillButtonView();
 
   // Returns the bounds the dialog should be displayed at to be meaningfully
   // associated with the specified WebContents.
   gfx::Rect GetDisplayBounds(WebContents* contents);
 
   static void InitClass();
@@ skipping 14 matching lines @@
   // Whether or not we've created controls for ourself.
   bool initialized_;
 
   // An amusing icon image.
   static gfx::ImageSkia* frozen_icon_;
 
   DISALLOW_COPY_AND_ASSIGN(HungRendererDialogView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_HUNG_RENDERER_VIEW_H_