Remove unused code in ConfirmBubbleModel

chrome/browser/ui/confirm_bubble_model.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_CONFIRM_BUBBLE_MODEL_H_
 #define CHROME_BROWSER_UI_CONFIRM_BUBBLE_MODEL_H_
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 
@@ skipping 14 matching lines @@
   };
 
   ConfirmBubbleModel();
   virtual ~ConfirmBubbleModel();
 
   // Returns the title string and the message string to be displayed for this
   // bubble menu. These must not be empty strings.
   virtual base::string16 GetTitle() const = 0;
   virtual base::string16 GetMessageText() const = 0;
 
-  // Returns an icon for the bubble. This image should be owned by the
-  // ResourceBundle and callers should not take ownership of it. Must not return
-  // NULL.
-  virtual gfx::Image* GetIcon() const = 0;
-
   // Return the buttons to be shown for this bubble menu. This function returns
   // a combination of BubbleButton values, e.g. when we show both an OK button
   // and a cancel button, it should return (BUTTON_OK | BUTTON_CANCEL). (This is
   // the default implementation.)
   virtual int GetButtons() const;
 
   // Return the label for the specified button. The default implementation
   // returns "OK" for the OK button and "Cancel" for the Cancel button.
   virtual base::string16 GetButtonLabel(BubbleButton button) const;
 
   // Called when the OK button is pressed.
   virtual void Accept();
 
   // Called when the Cancel button is pressed.
   virtual void Cancel();
 
   // Returns the text of the link to be displayed, if any. Otherwise returns
   // and empty string.
   virtual base::string16 GetLinkText() const;
 
   // Called when the Link is clicked.
   virtual void LinkClicked();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ConfirmBubbleModel);
 };
 
 #endif  // CHROME_BROWSER_UI_CONFIRM_BUBBLE_MODEL_H_