Switch CoreTabHelper to use WebContentsUserData.

chrome/browser/ui/browser.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_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 630 matching lines @@
                                   bool user_gesture,
                                   bool last_unlocked_by_target) OVERRIDE;
   virtual void LostMouseLock() OVERRIDE;
   virtual void RequestMediaAccessPermission(
       content::WebContents* web_contents,
       const content::MediaStreamRequest* request,
       const content::MediaResponseCallback& callback) OVERRIDE;
 
   // Overridden from CoreTabHelperDelegate:
   // Note that the caller is responsible for deleting |old_tab_contents|.
-  virtual void SwapTabContents(TabContents* old_tab_contents,
-                               TabContents* new_tab_contents) OVERRIDE;
-  virtual bool CanReloadContents(TabContents* source) const OVERRIDE;
-  virtual bool CanSaveContents(TabContents* source) const OVERRIDE;
+  virtual void SwapTabContents(content::WebContents* old_contents,
+                               content::WebContents* new_contents) OVERRIDE;
+  virtual bool CanReloadContents(
+      content::WebContents* web_contents) const OVERRIDE;
+  virtual bool CanSaveContents(
+      content::WebContents* web_contents) const OVERRIDE;
 
   // Overridden from SearchEngineTabHelperDelegate:
   virtual void ConfirmAddSearchProvider(TemplateURL* template_url,
                                         Profile* profile) OVERRIDE;
 
   // Overridden from ConstrainedWindowTabHelperDelegate:
   virtual void SetTabContentBlocked(TabContents* contents,
                                     bool blocked) OVERRIDE;
 
   // Overridden from BlockedContentTabHelperDelegate:
@@ skipping 267 matching lines @@
   bool window_has_shown_;
 
   // Currently open color chooser. Non-NULL after OpenColorChooser is called and
   // before DidEndColorChooser is called.
   scoped_ptr<content::ColorChooser> color_chooser_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_