Helper functions for tracking stale TabContentsDelegate's.

content/browser/tab_contents/tab_contents.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 80 matching lines @@
 
   // Intrinsic tab state -------------------------------------------------------
 
   // Returns the property bag for this tab contents, where callers can add
   // extra data they may wish to associate with the tab. Returns a pointer
   // rather than a reference since the PropertyAccessors expect this.
   const PropertyBag* property_bag() const { return &property_bag_; }
   PropertyBag* property_bag() { return &property_bag_; }
 
   TabContentsDelegate* delegate() const { return delegate_; }
-  void set_delegate(TabContentsDelegate* d) { delegate_ = d; }
+  void set_delegate(TabContentsDelegate* delegate);
 
   // Gets the controller for this tab contents.
   NavigationController& controller() { return controller_; }
   const NavigationController& controller() const { return controller_; }
 
   // Returns the user profile associated with this TabContents (via the
   // NavigationController).
   Profile* profile() const { return controller_.profile(); }
 
   // Returns true if contains content rendered by an extension.
@@ skipping 738 matching lines @@
   ObserverList<TabContentsObserver> observers_;
 
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_