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

google_apis/gcm/engine/checkin_request.cc

Index: google_apis/gcm/engine/checkin_request.cc
diff --git a/google_apis/gcm/engine/checkin_request.cc b/google_apis/gcm/engine/checkin_request.cc
index 428e52609b2ff11e77d0cdb66f87932c924dd47c..8a9ef033d8c3a9519f9bd8f3d183f19e2dc42764 100644
--- a/google_apis/gcm/engine/checkin_request.cc
+++ b/google_apis/gcm/engine/checkin_request.cc
@@ -143,8 +143,8 @@ void CheckinRequest::Start() {
   std::string upload_data;
   CHECK(request.SerializeToString(&upload_data));
 
-  url_fetcher_.reset(
-      net::URLFetcher::Create(checkin_url_, net::URLFetcher::POST, this));
+  url_fetcher_ =
+      net::URLFetcher::Create(checkin_url_, net::URLFetcher::POST, this);
   url_fetcher_->SetRequestContext(request_context_getter_);
   url_fetcher_->SetUploadData(kRequestContentType, upload_data);
   url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |