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

chrome/browser/ui/cocoa/toolbar/toolbar_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_TOOLBAR_TOOLBAR_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_TOOLBAR_TOOLBAR_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_member.h"
+#import "chrome/browser/ui/cocoa/has_weak_browser_pointer.h"
 #import "chrome/browser/ui/cocoa/url_drop_target.h"
 #import "chrome/browser/ui/cocoa/view_resizer.h"
 #import "ui/base/cocoa/tracking_area.h"
 
 @class AutocompleteTextField;
 @class AutocompleteTextFieldEditor;
 @class BackForwardMenuController;
 class Browser;
 @class BrowserActionsContainerView;
 class BrowserActionsContainerViewSizeDelegate;
@@ skipping 13 matching lines @@
 namespace ToolbarControllerInternal {
 class CommandObserverBridge;
 class NotificationBridge;
 }
 
 // A controller for the toolbar in the browser window. Manages
 // updating the state for location bar and back/fwd/reload/go buttons.
 // Manages the bookmark bar and its position in the window relative to
 // the web content view.
 
-@interface ToolbarController : NSViewController<URLDropTargetController> {
+@interface ToolbarController
+    : NSViewController<URLDropTargetController, HasWeakBrowserPointer> {
  @protected
   // The ordering is important for unit tests. If new items are added or the
   // ordering is changed, make sure to update |-toolbarViews| and the
   // corresponding enum in the unit tests.
   IBOutlet MenuButton* backButton_;
   IBOutlet MenuButton* forwardButton_;
   IBOutlet ReloadButton* reloadButton_;
   IBOutlet ToolbarButton* homeButton_;
   IBOutlet MenuButton* wrenchButton_;
   IBOutlet AutocompleteTextField* locationBar_;
   IBOutlet BrowserActionsContainerView* browserActionsContainerView_;
 
  @private
   CommandUpdater* commands_;  // weak, one per window
   Profile* profile_;  // weak, one per window
   Browser* browser_;  // weak, one per window
   scoped_ptr<ToolbarControllerInternal::CommandObserverBridge> commandObserver_;
   scoped_ptr<LocationBarViewMac> locationBarView_;
   base::scoped_nsobject<AutocompleteTextFieldEditor>
       autocompleteTextFieldEditor_;
-  id<ViewResizer> resizeDelegate_;  // weak
   base::scoped_nsobject<BackForwardMenuController> backMenuController_;
   base::scoped_nsobject<BackForwardMenuController> forwardMenuController_;
   base::scoped_nsobject<BrowserActionsController> browserActionsController_;
   scoped_ptr<BrowserActionsContainerViewSizeDelegate>
       browserActionsContainerDelegate_;
 
   // Lazily-instantiated menu controller.
   base::scoped_nsobject<WrenchMenuController> wrenchMenuController_;
 
   // Used for monitoring the optional toolbar button prefs.
@@ skipping 16 matching lines @@
   // hoveredButton_ is required to have an NSCell that responds to
   // setMouseInside:animate:.
   NSButton* hoveredButton_;
 }
 
 // Initialize the toolbar and register for command updates. The profile is
 // needed for initializing the location bar. The browser is needed for
 // the toolbar model and back/forward menus.
 - (id)initWithCommands:(CommandUpdater*)commands
                profile:(Profile*)profile
-               browser:(Browser*)browser
-        resizeDelegate:(id<ViewResizer>)resizeDelegate;
+               browser:(Browser*)browser;
 
 // Get the C++ bridge object representing the location bar for this tab.
 - (LocationBarViewMac*)locationBarBridge;
 
 // Called by the Window delegate so we can provide a custom field editor if
 // needed.
 // Note that this may be called for objects unrelated to the toolbar.
 // returns nil if we don't want to override the custom field editor for |obj|.
 - (id)customFieldEditorForObject:(id)obj;
 
@@ skipping 67 matching lines @@
 @end
 
 // A set of private methods used by subclasses. Do not call these directly
 // unless a subclass of ToolbarController.
 @interface ToolbarController(ProtectedMethods)
 // Designated initializer which takes a nib name in order to allow subclasses
 // to load a different nib file.
 - (id)initWithCommands:(CommandUpdater*)commands
                profile:(Profile*)profile
                browser:(Browser*)browser
-        resizeDelegate:(id<ViewResizer>)resizeDelegate
           nibFileNamed:(NSString*)nibName;
 @end
 
 // A set of private methods used by tests, in the absence of "friends" in ObjC.
 @interface ToolbarController(PrivateTestMethods)
 // Returns an array of views in the order of the outlets above.
 - (NSArray*)toolbarViews;
 - (void)showOptionalHomeButton;
 - (void)installWrenchMenu;
 // Return a hover button for the current event.
 - (NSButton*)hoverButtonForEvent:(NSEvent*)theEvent;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TOOLBAR_TOOLBAR_CONTROLLER_H_