More OOLing on Mac.

chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h

 // Copyright (c) 2010 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/mac/cocoa_protocols.h"
 #include "base/scoped_nsobject.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/cookies_tree_model.h"
@@ skipping 14 matching lines @@
 
   void OnSheetDidEnd(NSWindow* sheet);
 
   // ConstrainedWindowMacDelegateCustomSheet implementation.
   virtual void DeleteDelegate();
 
  private:
   virtual ~CollectedCookiesMac();
 
   // NotificationObserver implementation.
-  void Observe(NotificationType type,
-               const NotificationSource& source,
-               const NotificationDetails& details);
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
 
   NotificationRegistrar registrar_;
 
   ConstrainedWindow* window_;
 
   TabContents* tab_contents_;
 
   CollectedCookiesWindowController* sheet_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(CollectedCookiesMac);
@@ skipping 66 matching lines @@
 - (CocoaCookieTreeNode*)cocoaBlockedTreeModel;
 - (void)setCocoaAllowedTreeModel:(CocoaCookieTreeNode*)model;
 - (void)setCocoaBlockedTreeModel:(CocoaCookieTreeNode*)model;
 
 // Returns the allowedTreeModel_ and blockedTreeModel_.
 - (CookiesTreeModel*)allowedTreeModel;
 - (CookiesTreeModel*)blockedTreeModel;
 
 - (void)loadTreeModelFromTabContents;
 @end