Remove InfoBarDelegate::web_contents()

chrome/browser/pepper_broker_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/pepper_broker_infobar_delegate.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/infobars/infobar.h"
@@ skipping 114 matching lines @@
   return true;
 }
 
 base::string16 PepperBrokerInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool PepperBrokerInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
   GURL learn_more_url("https://support.google.com/chrome/?p=ib_pepper_broker");
-  web_contents()->OpenURL(content::OpenURLParams(
-      learn_more_url, content::Referrer(),
-      (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
-      content::PAGE_TRANSITION_LINK, false));
+  InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
+      content::OpenURLParams(
+          learn_more_url, content::Referrer(),
+          (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
+          content::PAGE_TRANSITION_LINK, false));
   return false;
 }
 
 void PepperBrokerInfoBarDelegate::DispatchCallback(bool result) {
   content::RecordAction(result ?
       base::UserMetricsAction("PPAPI.BrokerInfobarClickedAllow") :
       base::UserMetricsAction("PPAPI.BrokerInfobarClickedDeny"));
   callback_.Run(result);
   callback_ = base::Callback<void(bool)>();
   content_settings_->SetContentSetting(
       ContentSettingsPattern::FromURLNoWildcard(url_),
       ContentSettingsPattern::Wildcard(),
       CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
       std::string(), result ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK);
   tab_content_settings_->SetPepperBrokerAllowed(result);
 }