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

content/browser/tab_contents/navigation_controller.cc

Index: content/browser/tab_contents/navigation_controller.cc
diff --git a/content/browser/tab_contents/navigation_controller.cc b/content/browser/tab_contents/navigation_controller.cc
index 852b87f7905323860c89b754a4b1aa8d97627187..960d9fc441d3abacc6c4250c14455e1362273b3e 100644
--- a/content/browser/tab_contents/navigation_controller.cc
+++ b/content/browser/tab_contents/navigation_controller.cc
@@ -472,7 +472,8 @@ void NavigationController::RemoveEntryAtIndex(int index,
     } else {
       // If there is nothing to show, show a default page.
       LoadURL(default_url.is_empty() ? GURL("about:blank") : default_url,
-              GURL(), content::PAGE_TRANSITION_START_PAGE, std::string());
+              content::Referrer(), content::PAGE_TRANSITION_START_PAGE,
+              std::string());
     }
   }
 }
@@ -518,13 +519,13 @@ void NavigationController::TransferURL(
 
 void NavigationController::LoadURL(
     const GURL& url,
-    const GURL& referrer,
+    const content::Referrer& referrer,
     content::PageTransition transition,
     const std::string& extra_headers) {
   // The user initiated a load, we don't need to reload anymore.
   needs_reload_ = false;
 
-  NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition,
+  NavigationEntry* entry = CreateNavigationEntry(url, referrer.url, transition,
                                                  false,
                                                  extra_headers,
                                                  browser_context_);
@@ -534,13 +535,13 @@ void NavigationController::LoadURL(
 
 void NavigationController::LoadURLFromRenderer(
     const GURL& url,
-    const GURL& referrer,
+    const content::Referrer& referrer,
     content::PageTransition transition,
     const std::string& extra_headers) {
   // The user initiated a load, we don't need to reload anymore.
   needs_reload_ = false;
 
-  NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition,
+  NavigationEntry* entry = CreateNavigationEntry(url, referrer.url, transition,
                                                  true,
                                                  extra_headers,
                                                  browser_context_);