Implement fullscreen info bubble on Win and Mac

chrome/browser/ui/cocoa/info_bubble_view.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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_COCOA_INFO_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_COCOA_INFO_BUBBLE_VIEW_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
 namespace info_bubble {
 
 const CGFloat kBubbleArrowHeight = 8.0;
 const CGFloat kBubbleArrowWidth = 15.0;
 const CGFloat kBubbleCornerRadius = 8.0;
 const CGFloat kBubbleArrowXOffset = kBubbleArrowWidth + kBubbleCornerRadius;
 
 enum BubbleArrowLocation {
   kTopLeft,
   kTopRight,
+  kNoArrow,
 };
 
 }  // namespace info_bubble
 
 // Content view for a bubble with an arrow showing arbitrary content.
 // This is where nonrectangular drawing happens.
 @interface InfoBubbleView : NSView {
  @private
   info_bubble::BubbleArrowLocation arrowLocation_;
 }
 
 @property(assign, nonatomic) info_bubble::BubbleArrowLocation arrowLocation;
 
 // Returns the point location in view coordinates of the tip of the arrow.
 - (NSPoint)arrowTip;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_INFO_BUBBLE_VIEW_H_