Adjust URLFetcher::Create API so that object is returned as scoped_ptr.

chrome/browser/ui/omnibox/omnibox_navigation_observer.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/omnibox/omnibox_navigation_observer.h"
 
 #include "chrome/browser/autocomplete/shortcuts_backend.h"
 #include "chrome/browser/autocomplete/shortcuts_backend_factory.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/intranet_redirect_detector.h"
@@ skipping 45 matching lines @@
     const base::string16& text,
     const AutocompleteMatch& match,
     const AutocompleteMatch& alternate_nav_match)
     : text_(text),
       match_(match),
       alternate_nav_match_(alternate_nav_match),
       shortcuts_backend_(ShortcutsBackendFactory::GetForProfile(profile)),
       load_state_(LOAD_NOT_SEEN),
       fetch_state_(FETCH_NOT_COMPLETE) {
   if (alternate_nav_match_.destination_url.is_valid()) {
-    fetcher_.reset(net::URLFetcher::Create(alternate_nav_match_.destination_url,
-                                           net::URLFetcher::HEAD, this));
+    fetcher_ = net::URLFetcher::Create(alternate_nav_match_.destination_url,
+                                       net::URLFetcher::HEAD, this);
     fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES);
     fetcher_->SetStopOnRedirect(true);
   }
   // We need to start by listening to AllSources, since we don't know which tab
   // the navigation might occur in.
   registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_PENDING,
                  content::NotificationService::AllSources());
 }
 
 OmniboxNavigationObserver::~OmniboxNavigationObserver() {
@@ skipping 95 matching lines @@
     OnAllLoadingFinished();  // deletes |this|!
 }
 
 void OmniboxNavigationObserver::OnAllLoadingFinished() {
   if (fetch_state_ == FETCH_SUCCEEDED) {
     AlternateNavInfoBarDelegate::Create(
         web_contents(), text_, alternate_nav_match_, match_.destination_url);
   }
   delete this;
 }