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

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index eaec9aa92ffd83cbf5731ae5ac7b673e59982cf2..257ef69278a90bc0516c85279867f5474e9efd68 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -329,8 +329,10 @@ class RenderViewHostDelegate : public IPC::Channel::Listener {
   virtual void RendererResponsive(RenderViewHost* render_view_host) {}
 
   // Notification that the RenderViewHost's load state changed.
-  virtual void LoadStateChanged(const GURL& url, net::LoadState load_state,
-                                uint64 upload_position, uint64 upload_size) {}
+  virtual void LoadStateChanged(const GURL& url,
+                                const net::LoadStateWithParam& load_state,
+                                uint64 upload_position,
+                                uint64 upload_size) {}
 
   // Notification that a worker process has crashed.
   virtual void WorkerCrashed() {}