Remove InfoBarDelegate::web_contents()

chrome/browser/google/google_url_tracker_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/google/google_url_tracker_infobar_delegate.h"
 
 #include "chrome/browser/google/google_url_tracker.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/infobars/infobar.h"
 #include "chrome/browser/infobars/infobar_service.h"
@@ skipping 40 matching lines @@
   GURL new_search_url;
   if (redo_search) {
     // Re-do the user's search on the new domain.
     DCHECK(search_url_.is_valid());
     url_canon::Replacements<char> replacements;
     const std::string& host(google_url_tracker_->fetched_google_url().host());
     replacements.SetHost(host.data(), url_parse::Component(0, host.length()));
     new_search_url = search_url_.ReplaceComponents(replacements);
   }
 
-  content::WebContents* contents = web_contents();
+  content::WebContents* contents =
+      InfoBarService::WebContentsFromInfoBar(infobar());
   infobar()->RemoveSelf();
   // WARNING: |this| may be deleted at this point!  Do not access any members!
 
   if (new_search_url.is_valid()) {
     contents->OpenURL(content::OpenURLParams(
         new_search_url, content::Referrer(), CURRENT_TAB,
         content::PAGE_TRANSITION_GENERATED, false));
   }
 }
 
@@ skipping 27 matching lines @@
       IDS_GOOGLE_URL_TRACKER_INFOBAR_DONT_SWITCH,
       net::StripWWWFromHost(google_url_tracker_->google_url()));
 }
 
 base::string16 GoogleURLTrackerInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool GoogleURLTrackerInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
-  web_contents()->OpenURL(content::OpenURLParams(
+  content::WebContents* web_contents =
+      InfoBarService::WebContentsFromInfoBar(infobar());
+  web_contents->OpenURL(content::OpenURLParams(
       google_util::AppendGoogleLocaleParam(GURL(
           "https://www.google.com/support/chrome/bin/answer.py?"
           "answer=1618699")),
       content::Referrer(),
       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
       content::PAGE_TRANSITION_LINK, false));
   return false;
 }
 
 bool GoogleURLTrackerInfoBarDelegate::ShouldExpireInternal(
     const NavigationDetails& details) const {
   return (details.entry_id != contents_unique_id()) &&
       (details.entry_id != pending_id_);
 }