Change NavigationController::LoadURL to take a Referrer class instead of a GURL as referrer

chrome/browser/safe_browsing/browser_feature_extractor_unittest.cc

Index: chrome/browser/safe_browsing/browser_feature_extractor_unittest.cc
diff --git a/chrome/browser/safe_browsing/browser_feature_extractor_unittest.cc b/chrome/browser/safe_browsing/browser_feature_extractor_unittest.cc
index bf5d623116e641b7a5490da92630b2041385933d..3bc5a74426ddc480128def7c95c36c6382db98d9 100644
--- a/chrome/browser/safe_browsing/browser_feature_extractor_unittest.cc
+++ b/chrome/browser/safe_browsing/browser_feature_extractor_unittest.cc
@@ -92,7 +92,9 @@ class BrowserFeatureExtractorTest : public ChromeRenderViewHostTestHarness {
   void NavigateAndCommit(const GURL& url,
                          const GURL& referrer,
                          content::PageTransition type) {
-    contents()->controller().LoadURL(url, referrer, type, std::string());
+    contents()->controller().LoadURL(
+        url, content::Referrer(referrer, WebKit::WebReferrerPolicyDefault),
+        type, std::string());
 
     static int page_id = 0;
     ViewHostMsg_FrameNavigate_Params params;