Remove unused code in ConfirmBubbleModel

chrome/browser/ui/confirm_bubble_model.h

Index: chrome/browser/ui/confirm_bubble_model.h
diff --git a/chrome/browser/ui/confirm_bubble_model.h b/chrome/browser/ui/confirm_bubble_model.h
index e5a8b59c125cd8bdb8e36bdaaa940faa39930188..3406016c7de0276c755c7f9e77e323fd52de91a3 100644
--- a/chrome/browser/ui/confirm_bubble_model.h
+++ b/chrome/browser/ui/confirm_bubble_model.h
@@ -32,11 +32,6 @@ class ConfirmBubbleModel {
   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