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

chrome/test/chromedriver/net/net_util.cc

Index: chrome/test/chromedriver/net/net_util.cc
diff --git a/chrome/test/chromedriver/net/net_util.cc b/chrome/test/chromedriver/net/net_util.cc
index 401b20dc2494724cff7a9ee204ce95f3fa3e1940..1f386d3a54dcd14c9b4ca884f3c1c710a0298416 100644
--- a/chrome/test/chromedriver/net/net_util.cc
+++ b/chrome/test/chromedriver/net/net_util.cc
@@ -37,7 +37,7 @@ class SyncUrlFetcher : public net::URLFetcherDelegate {
   }
 
   void FetchOnIOThread() {
-    fetcher_.reset(net::URLFetcher::Create(url_, net::URLFetcher::GET, this));
+    fetcher_ = net::URLFetcher::Create(url_, net::URLFetcher::GET, this);
     fetcher_->SetRequestContext(getter_);
     fetcher_->Start();
   }