Fix position of web notification bubble and arrow

ui/views/bubble/bubble_border.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 UI_VIEWS_BUBBLE_BUBBLE_BORDER_H_
 #define UI_VIEWS_BUBBLE_BUBBLE_BORDER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/views/background.h"
@@ skipping 105 matching lines @@
 
   // Overridden from Border:
   virtual void GetInsets(gfx::Insets* insets) const OVERRIDE;
 
   // How many pixels the bubble border is from the edge of the images.
   int border_thickness() const;
 
  protected:
   virtual ~BubbleBorder();
 
+  // Calculates the insets for a specific arrow location. Normally called from
+  // GetInsets(arrow_location()), but may be called by specialized BubbleBorder
+  // implementations.
+  void GetInsetsForArrowLocation(gfx::Insets* insets,
+                                 ArrowLocation arrow_loc) const;
+
  private:
   struct BorderImages;
 
   // Loads images if necessary.
   static BorderImages* GetBorderImages(Shadow shadow);
 
   // Overridden from Border:
   virtual void Paint(const View& view,
                      gfx::Canvas* canvas) const OVERRIDE;
 
@@ skipping 44 matching lines @@
 
  private:
   BubbleBorder* border_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleBackground);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_BUBBLE_BORDER_H_