Make WebContentsObserver::web_contents() public

chrome/browser/ui/search/instant_page.h

 // Copyright 2013 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_SEARCH_INSTANT_PAGE_H_
 #define CHROME_BROWSER_UI_SEARCH_INSTANT_PAGE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 38 matching lines @@
     virtual void InstantPageAboutToNavigateMainFrame(
         const content::WebContents* contents,
         const GURL& url) = 0;
 
    protected:
     virtual ~Delegate();
   };
 
   virtual ~InstantPage();
 
-  // The WebContents corresponding to the page we're talking to. May be NULL.
-  content::WebContents* contents() const { return web_contents(); }
-
   // Returns the Instant URL that was loaded for this page. Returns the empty
   // string if no URL was explicitly loaded as is the case for InstantTab.
   virtual const std::string& instant_url() const;
 
   // Returns true if the page is known to support the Instant API. This starts
   // out false, and is set to true whenever we get any message from the page.
   // Once true, it never becomes false (the page isn't expected to drop API
   // support suddenly).
   virtual bool supports_instant() const;
 
@@ skipping 49 matching lines @@
   Profile* profile_;
 
   Delegate* const delegate_;
   const std::string instant_url_;
   const bool is_incognito_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantPage);
 };
 
 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_PAGE_H_