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

chrome/browser/ui/webui/certificate_viewer_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_CERTIFICATE_VIEWER_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_CERTIFICATE_VIEWER_UI_H_
 #pragma once
 
 #if defined(USE_AURA)
 #include "chrome/browser/ui/webui/constrained_html_ui.h"
 #else
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 #endif
 
 // The WebUI for chrome://view-cert
 class CertificateViewerUI
 #if defined(USE_AURA)
     : public ConstrainedHtmlUI {
 #else
     : public HtmlDialogUI {
 #endif
  public:
-  explicit CertificateViewerUI(TabContents* contents);
+  explicit CertificateViewerUI(content::WebContents* contents);
   virtual ~CertificateViewerUI();
 
   DISALLOW_COPY_AND_ASSIGN(CertificateViewerUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CERTIFICATE_VIEWER_UI_H_