Remove InfoBarDelegate::web_contents()

chrome/browser/custom_handlers/register_protocol_handler_infobar_delegate.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/custom_handlers/register_protocol_handler_infobar_delegate.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/infobars/infobar.h"
 #include "chrome/browser/infobars/infobar_service.h"
@@ skipping 97 matching lines @@
 }
 
 base::string16 RegisterProtocolHandlerInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool RegisterProtocolHandlerInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
   content::RecordAction(
       base::UserMetricsAction("RegisterProtocolHandler.InfoBar_LearnMore"));
-  web_contents()->OpenURL(content::OpenURLParams(
-      GURL(chrome::kLearnMoreRegisterProtocolHandlerURL), content::Referrer(),
-      (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
-      content::PAGE_TRANSITION_LINK, false));
+  InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
+      content::OpenURLParams(
+          GURL(chrome::kLearnMoreRegisterProtocolHandlerURL),
+          content::Referrer(),
+          (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
+          content::PAGE_TRANSITION_LINK, false));
   return false;
 }
 
 base::string16 RegisterProtocolHandlerInfoBarDelegate::GetProtocolName(
     const ProtocolHandler& handler) const {
   if (handler.protocol() == "mailto")
     return l10n_util::GetStringUTF16(IDS_REGISTER_PROTOCOL_HANDLER_MAILTO_NAME);
   if (handler.protocol() == "webcal")
     return l10n_util::GetStringUTF16(IDS_REGISTER_PROTOCOL_HANDLER_WEBCAL_NAME);
   return base::UTF8ToUTF16(handler.protocol());
 }