Don't show URL for pending new navigations initiated by the renderer.

content/browser/tab_contents/page_navigator.h

Index: content/browser/tab_contents/page_navigator.h
diff --git a/content/browser/tab_contents/page_navigator.h b/content/browser/tab_contents/page_navigator.h
index 5a7877cf9a98017de7fefcfafb2308c39cdca381..9369a7aff70d96e0ca5f0e014cfb96b606bf2f76 100644
--- a/content/browser/tab_contents/page_navigator.h
+++ b/content/browser/tab_contents/page_navigator.h
@@ -23,7 +23,8 @@ struct CONTENT_EXPORT OpenURLParams {
   OpenURLParams(const GURL& url,
                 const GURL& referrer,
                 WindowOpenDisposition disposition,
-                content::PageTransition transition);
+                content::PageTransition transition,
+                bool is_renderer_initiated);
   ~OpenURLParams();
 class TabContents;
 
@@ -37,6 +38,9 @@ class TabContents;
   // The transition type of navigation.
   content::PageTransition transition;
 
+  // Whether this navigation is initiated by the renderer process.
+  bool is_renderer_initiated;
+
   // The override encoding of the URL contents to be opened.
   std::string override_encoding;