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

chrome/browser/profiles/profile_downloader.cc

 // Copyright (c) 2013 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/profiles/profile_downloader.h"
 
 #include <string>
 #include <vector>
 
 #include "base/json/json_reader.h"
@@ skipping 304 matching lines @@
     return;
   }
   if (!image_url.empty() && image_url == delegate_->GetCachedPictureURL()) {
     VLOG(1) << "Picture URL matches cached picture URL";
     picture_status_ = PICTURE_CACHED;
     delegate_->OnProfileDownloadSuccess(this);
     return;
   }
   VLOG(1) << "Fetching profile image from " << image_url;
   picture_url_ = image_url;
-  profile_image_fetcher_.reset(net::URLFetcher::Create(
-      GURL(image_url), net::URLFetcher::GET, this));
+  profile_image_fetcher_ =
+      net::URLFetcher::Create(GURL(image_url), net::URLFetcher::GET, this);
   profile_image_fetcher_->SetRequestContext(
       delegate_->GetBrowserProfile()->GetRequestContext());
   profile_image_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                                        net::LOAD_DO_NOT_SAVE_COOKIES);
   if (!auth_token_.empty()) {
     profile_image_fetcher_->SetExtraRequestHeaders(
         base::StringPrintf(kAuthorizationHeader, auth_token_.c_str()));
   }
   profile_image_fetcher_->Start();
 }
@@ skipping 78 matching lines @@
 void ProfileDownloader::OnGetTokenFailure(
     const OAuth2TokenService::Request* request,
     const GoogleServiceAuthError& error) {
   DCHECK_EQ(request, oauth2_access_token_request_.get());
   oauth2_access_token_request_.reset();
   LOG(WARNING) << "ProfileDownloader: token request using refresh token failed:"
                << error.ToString();
   delegate_->OnProfileDownloadFailure(
       this, ProfileDownloaderDelegate::TOKEN_ERROR);
 }