Replace WebUI::tab_contents() with web_contents() and switch all users to use web_contents.h inst...

chrome/browser/ui/webui/policy_ui.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 CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
@@ skipping 53 matching lines @@
       policy::CloudPolicySubsystem::ErrorDetails error_details);
 
   scoped_ptr<policy::PolicyStatus> policy_status_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyUIHandler);
 };
 
 // The Web UI handler for about:policy.
 class PolicyUI : public ChromeWebUI {
  public:
-  explicit PolicyUI(TabContents* contents);
+  explicit PolicyUI(content::WebContents* contents);
   virtual ~PolicyUI();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PolicyUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_