Make NavigationEntry and friends use content::Referrer instead of plain URLs

chrome/browser/external_tab_container_win.cc

Index: chrome/browser/external_tab_container_win.cc
diff --git a/chrome/browser/external_tab_container_win.cc b/chrome/browser/external_tab_container_win.cc
index e08b3b96932c50fd999c5fa79ab18fd852a82d5c..267b483833deeab16e591a6409a03fa33fb12a16 100644
--- a/chrome/browser/external_tab_container_win.cc
+++ b/chrome/browser/external_tab_container_win.cc
@@ -948,7 +948,7 @@ bool ExternalTabContainer::InitNavigationInfo(NavigationInfo* nav_info,
   nav_info->navigation_index =
       tab_contents_->controller().GetCurrentEntryIndex();
   nav_info->url = entry->url();
-  nav_info->referrer = entry->referrer();
+  nav_info->referrer = entry->referrer().url;
   nav_info->title =  UTF16ToWideHack(entry->title());
   if (nav_info->title.empty())
     nav_info->title = UTF8ToWide(nav_info->url.spec());