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

chrome/browser/safe_browsing/safe_browsing_test.cc

Index: chrome/browser/safe_browsing/safe_browsing_test.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_test.cc b/chrome/browser/safe_browsing/safe_browsing_test.cc
index d5de0adb4bfb261667bda5831ee8dd1c16059148..faf36195026f4eb8bdebe1ab5bf8d0d0518bb79e 100644
--- a/chrome/browser/safe_browsing/safe_browsing_test.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_test.cc
@@ -472,8 +472,7 @@ class SafeBrowsingServerTestHelper
   // Fetch a URL. If message_loop_started is true, starts the message loop
   // so the caller could wait till OnURLFetchComplete is called.
   net::URLRequestStatus::Status FetchUrl(const GURL& url) {
-    url_fetcher_.reset(net::URLFetcher::Create(
-        url, net::URLFetcher::GET, this));
+    url_fetcher_ = net::URLFetcher::Create(url, net::URLFetcher::GET, this);
     url_fetcher_->SetLoadFlags(net::LOAD_DISABLE_CACHE);
     url_fetcher_->SetRequestContext(request_context_);
     url_fetcher_->Start();