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

components/gcm_driver/gcm_channel_status_request.cc

Index: components/gcm_driver/gcm_channel_status_request.cc
diff --git a/components/gcm_driver/gcm_channel_status_request.cc b/components/gcm_driver/gcm_channel_status_request.cc
index d609f5506bd3690bfe1603f158537413b607faf7..3cdf3ec0b7197eedc1f3ae07c702459f0dfdc4ba 100644
--- a/components/gcm_driver/gcm_channel_status_request.cc
+++ b/components/gcm_driver/gcm_channel_status_request.cc
@@ -64,8 +64,8 @@ void GCMChannelStatusRequest::Start() {
      NOTREACHED();
   }
 
-  url_fetcher_.reset(
-      net::URLFetcher::Create(request_url, net::URLFetcher::POST, this));
+  url_fetcher_ =
+      net::URLFetcher::Create(request_url, net::URLFetcher::POST, this);
   url_fetcher_->SetRequestContext(request_context_getter_.get());
   url_fetcher_->AddExtraRequestHeader("User-Agent: " + user_agent_);
   url_fetcher_->SetUploadData(kRequestContentType, upload_data);