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

components/invalidation/gcm_network_channel.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 "base/base64.h"
 #include "base/i18n/time_formatting.h"
 #include "base/metrics/histogram.h"
 #include "base/sha1.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 189 matching lines @@
     // Message won't get sent. Notify that http channel doesn't work.
     UpdateHttpChannelState(false);
     cached_message_.clear();
     return;
   }
   DCHECK(!token.empty());
   // Save access token in case POST fails and we need to invalidate it.
   access_token_ = token;
 
   DVLOG(2) << "Got access token, sending message";
-  fetcher_.reset(net::URLFetcher::Create(
-      BuildUrl(registration_id_), net::URLFetcher::POST, this));
+  fetcher_ = net::URLFetcher::Create(BuildUrl(registration_id_),
+                                     net::URLFetcher::POST, this);
   fetcher_->SetRequestContext(request_context_getter_.get());
   const std::string auth_header("Authorization: Bearer " + access_token_);
   fetcher_->AddExtraRequestHeader(auth_header);
   if (!echo_token_.empty()) {
     const std::string echo_header("echo-token: " + echo_token_);
     fetcher_->AddExtraRequestHeader(echo_header);
   }
   fetcher_->SetUploadData("application/x-protobuffer", cached_message_);
   fetcher_->Start();
   // Clear message to prevent accidentally resending it in the future.
@@ skipping 226 matching lines @@
     ENUM_CASE(gcm::GCMClient::UNKNOWN_ERROR);
     ENUM_CASE(gcm::GCMClient::INVALID_PARAMETER);
     ENUM_CASE(gcm::GCMClient::ASYNC_OPERATION_PENDING);
     ENUM_CASE(gcm::GCMClient::GCM_DISABLED);
   }
   NOTREACHED();
   return "";
 }
 
 }  // namespace syncer