Make WebContentsObserver::web_contents() public

chrome/browser/extensions/tab_helper.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_EXTENSIONS_TAB_HELPER_H_
 #define CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 79 matching lines @@
     return web_app_info_;
   }
 
   // If an app extension has been explicitly set for this WebContents its icon
   // is returned.
   //
   // NOTE: the returned icon is larger than 16x16 (its size is
   // extension_misc::EXTENSION_ICON_SMALLISH).
   SkBitmap* GetExtensionAppIcon();
 
-  content::WebContents* web_contents() const {
-    return content::WebContentsObserver::web_contents();
-  }
-
   ScriptExecutor* script_executor() {
     return script_executor_.get();
   }
 
   LocationBarController* location_bar_controller() {
     return location_bar_controller_.get();
   }
 
   ActiveTabPermissionGranter* active_tab_permission_granter() {
     return active_tab_permission_granter_.get();
@@ skipping 142 matching lines @@
 
   // Creates WebstoreInlineInstaller instances for inline install triggers.
   scoped_ptr<WebstoreInlineInstallerFactory> webstore_inline_installer_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TabHelper);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_TAB_HELPER_H_