Add a status message "Waiting for extension Foo..." when there's a request

content/browser/renderer_host/render_view_host.h

Index: content/browser/renderer_host/render_view_host.h
diff --git a/content/browser/renderer_host/render_view_host.h b/content/browser/renderer_host/render_view_host.h
index 857a396d93cd2fe8a393074ce58ed153679331fa..55cd385a956f62f85356fefc5d018b7025201ce5 100644
--- a/content/browser/renderer_host/render_view_host.h
+++ b/content/browser/renderer_host/render_view_host.h
@@ -319,8 +319,10 @@ class RenderViewHost : public RenderWidgetHost {
                                     const std::vector<FilePath>& files);
 
   // Notifies the RenderViewHost that its load state changed.
-  void LoadStateChanged(const GURL& url, net::LoadState load_state,
-                        uint64 upload_position, uint64 upload_size);
+  void LoadStateChanged(const GURL& url,
+                        const net::LoadStateWithParam& load_state,
+                        uint64 upload_position,
+                        uint64 upload_size);
 
   bool SuddenTerminationAllowed() const;
   void set_sudden_termination_allowed(bool enabled) {