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

google_apis/gcm/engine/registration_request.cc

Index: google_apis/gcm/engine/registration_request.cc
diff --git a/google_apis/gcm/engine/registration_request.cc b/google_apis/gcm/engine/registration_request.cc
index baffcc7df2f8fbab88813e7a9d8d6a7b90f1753c..2e52fba53cfbb786c5a044fda29a906fb39ca8db 100644
--- a/google_apis/gcm/engine/registration_request.cc
+++ b/google_apis/gcm/engine/registration_request.cc
@@ -126,8 +126,8 @@ void RegistrationRequest::Start() {
          request_info_.sender_ids.size() <= kMaxSenders);
 
   DCHECK(!url_fetcher_.get());
-  url_fetcher_.reset(net::URLFetcher::Create(
-      registration_url_, net::URLFetcher::POST, this));
+  url_fetcher_ =
+      net::URLFetcher::Create(registration_url_, net::URLFetcher::POST, this);
   url_fetcher_->SetRequestContext(request_context_getter_.get());
   url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
                              net::LOAD_DO_NOT_SAVE_COOKIES);