Fix multi-window bookmark bubble problem....

chrome/browser/cocoa/bookmark_bubble_controller.h

 // Copyright (c) 2009 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>
 #import "base/cocoa_protocols_mac.h"
 #include "base/scoped_nsobject.h"
 
 class BookmarkModel;
 class BookmarkNode;
 @class BookmarkBubbleController;
 
 // Protocol for a BookmarkBubbleController's (BBC's) delegate.
 @protocol BookmarkBubbleControllerDelegate
 
 // The bubble asks the delegate to perform an edit when needed.
 - (void)editBookmarkNode:(const BookmarkNode*)node;
 
+// The bubble tells the delegate when it will go away.
+- (void)bubbleWindowWillClose:(NSWindow*)window;
+
 @end
 
 // Controller for the bookmark bubble.  The bookmark bubble is a
 // bubble that pops up when clicking on the STAR next to the URL to
 // add or remove it as a bookmark.  This bubble allows for editing of
 // the bookmark in various ways (name, folder, etc.)
 @interface BookmarkBubbleController : NSWindowController<NSWindowDelegate> {
  @private
   id<BookmarkBubbleControllerDelegate> delegate_;  // weak like other delegates
   NSWindow* parentWindow_;  // weak
@@ skipping 22 matching lines @@
                  model:(BookmarkModel*)model
                   node:(const BookmarkNode*)node
      alreadyBookmarked:(BOOL)alreadyBookmarked;
 
 // Actions for buttons in the dialog.
 - (IBAction)edit:(id)sender;
 - (IBAction)ok:(id)sender;
 - (IBAction)remove:(id)sender;
 - (IBAction)cancel:(id)sender;
 - (IBAction)folderChanged:(id)sender;
+
 @end
 
 
 // Exposed only for unit testing.
 @interface BookmarkBubbleController(ExposedForUnitTesting)
 - (void)addFolderNodes:(const BookmarkNode*)parent
          toPopUpButton:(NSPopUpButton*)button;
 - (void)setTitle:(NSString*)title parentFolder:(const BookmarkNode*)parent;
 - (void)setParentFolderSelection:(const BookmarkNode*)parent;
 + (NSString*)chooseAnotherFolderString;
 - (NSPopUpButton*)folderPopUpButton;
 @end