[Mac] Inform reference counted objects that hold a weak Browser* when the Browser is being destroye…

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 #include <map>
 
 #import "base/mac/cocoa_protocols.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_bridge.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_constants.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_state.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_toolbar_view.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_button.h"
+#import "chrome/browser/ui/cocoa/has_weak_browser_pointer.h"
 #include "chrome/browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.h"
 #include "ui/base/window_open_disposition.h"
 
 @class BookmarkBarController;
 @class BookmarkBarFolderController;
 @class BookmarkBarView;
 @class BookmarkButtonCell;
 @class BookmarkFolderTarget;
 @class BookmarkContextMenuCocoaController;
 class Browser;
@@ skipping 117 matching lines @@
 
 // Sent before the animation begins.
 - (void)bookmarkBar:(BookmarkBarController*)controller
 willAnimateFromState:(BookmarkBar::State)oldState
             toState:(BookmarkBar::State)newState;
 
 @end
 
 // A controller for the bookmark bar in the browser window. Handles showing
 // and hiding based on the preference in the given profile.
-@interface BookmarkBarController :
-    NSViewController<BookmarkBarState,
-                     BookmarkBarToolbarViewController,
-                     BookmarkButtonDelegate,
-                     BookmarkButtonControllerProtocol,
-                     NSDraggingDestination> {
+@interface BookmarkBarController
+    : NSViewController<BookmarkBarState,
+                       BookmarkBarToolbarViewController,
+                       BookmarkButtonDelegate,
+                       BookmarkButtonControllerProtocol,
+                       NSDraggingDestination,
+                       HasWeakBrowserPointer> {
  @private
   // The state of the bookmark bar. If an animation is running, this is set to
   // the "destination" and |lastState_| is set to the "original" state.
   BookmarkBar::State currentState_;
 
   // The "original" state of the bookmark bar if an animation is running.
   BookmarkBar::State lastState_;
 
   // YES if an animation is running.
   BOOL isAnimationRunning_;
@@ skipping 250 matching lines @@
 - (BookmarkButton*)buttonForDroppingOnAtPoint:(NSPoint)point;
 - (BOOL)isEventAnExitEvent:(NSEvent*)event;
 - (BOOL)shrinkOrHideView:(NSView*)view forMaxX:(CGFloat)maxViewX;
 - (void)unhighlightBookmark:(const bookmarks::BookmarkNode*)node;
 
 // The following are for testing purposes only and are not used internally.
 - (NSMenu *)menuForFolderNode:(const bookmarks::BookmarkNode*)node;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_CONTROLLER_H_