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 81 matching lines @@
 
 // This class displays a dialog which contains information about a hung
 // renderer process.
 class HungRendererDialogView : public views::DialogDelegateView,
                                public views::ButtonListener,
                                public HungPagesTableModel::Delegate {
  public:
   // 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);
 
   // views::DialogDelegateView overrides:
   virtual string16 GetWindowTitle() const OVERRIDE;
   virtual void WindowClosing() OVERRIDE;
   virtual int GetDialogButtons() const OVERRIDE;
   virtual string16 GetDialogButtonLabel(ui::DialogButton button) const OVERRIDE;
   virtual views::View* GetExtraView() OVERRIDE;
   virtual bool Accept(bool window_closing)  OVERRIDE;
   virtual views::View* GetContentsView()  OVERRIDE;
 
   // views::ButtonListener overrides:
   virtual void ButtonPressed(views::Button* sender,
                              const views::Event& event) OVERRIDE;
 
   // HungPagesTableModel::Delegate overrides:
   virtual void TabDestroyed() OVERRIDE;
 
  protected:
   HungRendererDialogView();
   virtual ~HungRendererDialogView();
 
   // 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_;
 
  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);
@@ skipping 16 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_