Limit overlap between BubbleManager and BaseBubbleController.

chrome/browser/ui/cocoa/base_bubble_controller.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.
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_ptr.h"
+#include "components/bubble/bubble_reference.h"
 
 @class InfoBubbleView;
 class TabStripModelObserverBridge;
 
 // Base class for bubble controllers. Manages a xib that contains an
 // InfoBubbleWindow which contains an InfoBubbleView. Contains code to close
 // the bubble window on clicks outside of the window, and the like.
 // To use this class:
 // 1. Create a new xib that contains a window. Change the window's class to
 //    InfoBubbleWindow. Give it a child view that autosizes to the window's full
@@ skipping 20 matching lines @@
   // outside the window. This is needed because the window shares first
   // responder with its parent.
   id eventTap_;
   // A notification observer that gets triggered when any window resigns key.
   id resignationObserver_;
   // The controlled window should be the key window when it's opened. True by
   // default.
   BOOL shouldOpenAsKeyWindow_;
   // The bubble window should close if it (or its parent) resigns key status.
   BOOL shouldCloseOnResignKey_;
+  BubbleReference bubbleReference_;
 }
 
 @property(nonatomic, assign) NSWindow* parentWindow;
 // The point in base screen coordinates at which the bubble should open and the
 // arrow tip points.
 @property(nonatomic, assign) NSPoint anchorPoint;
 @property(nonatomic, readonly) InfoBubbleView* bubble;
 @property(nonatomic, assign) BOOL shouldOpenAsKeyWindow;
 // Controls if the bubble auto-closes if the user clicks outside the bubble.
 @property(nonatomic, assign) BOOL shouldCloseOnResignKey;
+// A reference for bubbles that are managed by the BubbleManager.
+@property(nonatomic, assign) BubbleReference bubbleReference;
 
 // Creates a bubble. |nibPath| is just the basename, e.g. @"FirstRunBubble".
 // |anchoredAt| is in screen space. You need to call -showWindow: to make the
 // bubble visible. It will autorelease itself when the user dismisses the
 // bubble.
 // This is the designated initializer.
 - (id)initWithWindowNibPath:(NSString*)nibPath
                parentWindow:(NSWindow*)parentWindow
                  anchoredAt:(NSPoint)anchoredAt;
 
@@ skipping 26 matching lines @@
 
 @end
 
 // Methods for use by subclasses.
 @interface BaseBubbleController (Protected)
 // Registers event taps *after* the window is shown so that the bubble is
 // dismissed when it resigns key. This only needs to be called if
 // |-showWindow:| is overriden and does not call super. Noop on OSes <10.7.
 - (void)registerKeyStateEventTap;
 @end