Avoid overriding Bubble's GetAnchorRect() where possible.

chrome/browser/ui/views/global_error_bubble_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_GLOBAL_ERROR_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_GLOBAL_ERROR_BUBBLE_VIEW_H_
 
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/ui/global_error/global_error_bubble_view_base.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/button/button.h"
 
 class Browser;
 class GlobalError;
 
 class GlobalErrorBubbleView : public views::ButtonListener,
                               public views::BubbleDelegateView,
                               public GlobalErrorBubbleViewBase {
  public:
   GlobalErrorBubbleView(views::View* anchor_view,
                         views::BubbleBorder::ArrowLocation location,
                         Browser* browser,
                         const base::WeakPtr<GlobalError>& error);
   virtual ~GlobalErrorBubbleView();
 
-  // views::BubbleDelegateView implementation.
-  virtual gfx::Rect GetAnchorRect() OVERRIDE;
-
   // views::ButtonListener implementation.
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
   // views::WidgetDelegate implementation.
   virtual void WindowClosing() OVERRIDE;
 
   // GlobalErrorBubbleViewBase implementation.
   virtual void CloseBubbleView() OVERRIDE;
 
  private:
   Browser* browser_;
   base::WeakPtr<GlobalError> error_;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalErrorBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_GLOBAL_ERROR_BUBBLE_VIEW_H_