Switch SSLTabHelper to use WebContentsUserData.

chrome/browser/ui/views/ssl_client_certificate_selector.cc

 // 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.
 
 #include "chrome/browser/ui/views/ssl_client_certificate_selector.h"
 
 #include "base/compiler_specific.h"
 #include "base/i18n/time_formatting.h"
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
@@ skipping 264 matching lines @@
   views::ColumnSet* column_set = layout->AddColumnSet(column_set_id);
   column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::LEADING,
                         0, views::GridLayout::USE_PREF, 0, 0);
   layout->StartRow(0, column_set_id);
   layout->AddView(view_cert_button_);
 }
 
 namespace chrome {
 
 void ShowSSLClientCertificateSelector(
-    TabContents* tab_contents,
+    content::WebContents* contents,
     const net::HttpNetworkSession* network_session,
     net::SSLCertRequestInfo* cert_request_info,
     const base::Callback<void(net::X509Certificate*)>& callback) {
-  DVLOG(1) << __FUNCTION__ << " " << tab_contents;
+  DVLOG(1) << __FUNCTION__ << " " << contents;
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  TabContents* tab_contents = TabContents::FromWebContents(contents);
   (new SSLClientCertificateSelector(
        tab_contents, network_session, cert_request_info, callback))->Init();
 }
 
 }  // namespace chrome