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

chrome/browser/local_discovery/privet_url_fetcher.cc

Index: chrome/browser/local_discovery/privet_url_fetcher.cc
diff --git a/chrome/browser/local_discovery/privet_url_fetcher.cc b/chrome/browser/local_discovery/privet_url_fetcher.cc
index 401f051d4773dd499d3a7df3c831ea0313e08095..0a76ed2bc4362b241b70e6924bdb54746f703f66 100644
--- a/chrome/browser/local_discovery/privet_url_fetcher.cc
+++ b/chrome/browser/local_discovery/privet_url_fetcher.cc
@@ -146,9 +146,7 @@ void PrivetURLFetcher::SetByteRange(int start, int end) {
 void PrivetURLFetcher::Try() {
   tries_++;
   if (tries_ < kPrivetMaxRetries) {
-
-
-    url_fetcher_.reset(net::URLFetcher::Create(url_, request_type_, this));
+    url_fetcher_ = net::URLFetcher::Create(url_, request_type_, this);
     // Privet requests are relevant to hosts on local network only.
     url_fetcher_->SetLoadFlags(url_fetcher_->GetLoadFlags() |
                                net::LOAD_BYPASS_PROXY |