Create a content::UrlFetcher interface that lives in content/public/common and convert users to i...

chrome/browser/alternate_nav_url_fetcher.cc

 // 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.
 
 #include "chrome/browser/alternate_nav_url_fetcher.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/intranet_redirect_detector.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 144 matching lines @@
       // access the controller that will be invalid, we delete ourselves.
       // This deletes the URLFetcher and insures its callback won't be called.
       delete this;
       break;
 
     default:
       NOTREACHED();
   }
 }
 
-void AlternateNavURLFetcher::OnURLFetchComplete(const URLFetcher* source) {
+void AlternateNavURLFetcher::OnURLFetchComplete(
+    const content::URLFetcher* source) {
   DCHECK_EQ(fetcher_.get(), source);
   SetStatusFromURLFetch(
-      source->url(), source->status(), source->response_code());
+      source->GetUrl(), source->GetStatus(), source->GetResponseCode());
   ShowInfobarIfPossible();
   // WARNING: |this| may be deleted!
 }
 
 void AlternateNavURLFetcher::StartFetch(NavigationController* controller) {
   controller_ = controller;
   registrar_.Add(this, content::NOTIFICATION_TAB_CLOSED,
                  content::Source<NavigationController>(controller_));
 
   DCHECK_EQ(NOT_STARTED, state_);
   state_ = IN_PROGRESS;
   fetcher_.reset(new URLFetcher(GURL(alternate_nav_url_), URLFetcher::HEAD,
                                 this));
-  fetcher_->set_request_context(
+  fetcher_->SetRequestContext(
       controller_->browser_context()->GetRequestContext());
   fetcher_->Start();
 }
 
 void AlternateNavURLFetcher::SetStatusFromURLFetch(
     const GURL& url,
     const net::URLRequestStatus& status,
     int response_code) {
   if (!status.is_success() ||
       // HTTP 2xx, 401, and 407 all indicate that the target address exists.
@@ skipping 23 matching lines @@
     return;
   }
 
   InfoBarTabHelper* infobar_helper =
       TabContentsWrapper::GetCurrentWrapperForContents(
           controller_->tab_contents())->infobar_tab_helper();
   infobar_helper->AddInfoBar(
       new AlternateNavInfoBarDelegate(infobar_helper, alternate_nav_url_));
   delete this;
 }