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

components/search_provider_logos/logo_tracker.cc

 // Copyright 2014 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 "components/search_provider_logos/logo_tracker.h"
 
 #include <algorithm>
 
 #include "base/message_loop/message_loop.h"
 #include "base/task_runner_util.h"
@@ skipping 190 matching lines @@
   DCHECK(!is_idle_);
 
   GURL url;
   std::string fingerprint;
   if (cached_logo_ && !cached_logo_->metadata.fingerprint.empty() &&
       cached_logo_->metadata.expiration_time >= clock_->Now()) {
     fingerprint = cached_logo_->metadata.fingerprint;
   }
   url = append_queryparams_func_.Run(logo_url_, fingerprint, wants_cta_);
 
-  fetcher_.reset(net::URLFetcher::Create(url, net::URLFetcher::GET, this));
+  fetcher_ = net::URLFetcher::Create(url, net::URLFetcher::GET, this);
   fetcher_->SetRequestContext(request_context_getter_.get());
   fetcher_->Start();
 }
 
 void LogoTracker::OnFreshLogoParsed(scoped_ptr<EncodedLogo> logo) {
   DCHECK(!is_idle_);
 
   if (logo)
     logo->metadata.source_url = logo_url_.spec();
 
@@ skipping 74 matching lines @@
 void LogoTracker::OnURLFetchDownloadProgress(const net::URLFetcher* source,
                                              int64 current,
                                              int64 total) {
   if (total > kMaxDownloadBytes || current > kMaxDownloadBytes) {
     LOG(WARNING) << "Search provider logo exceeded download size limit";
     ReturnToIdle();
   }
 }
 
 }  // namespace search_provider_logos