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

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index cd450804645cdd9ea93d2f54dfceb12bc0cac7d8..c15d98d23da4d13fd8fe991816332d3a3af4682a 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -3056,7 +3056,11 @@ TabContentsWrapper* Browser::CreateTabContentsForURL(
   if (!defer_load) {
     // Load the initial URL before adding the new tab contents to the tab strip
     // so that the tab contents has navigation state.
-    contents->controller().LoadURL(url, referrer, transition, std::string());
+    contents->controller().LoadURL(
+        url,
+        content::Referrer(referrer, WebKit::WebReferrerPolicyDefault),
+        transition,
+        std::string());
   }
 
   return contents;