NOT FOR LANDING: Thread the needle through all webmodules.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 264c934af1782382c8593f714d7f9529d2fcca55..aa6d2b230f99e79e7de2b600dd93f89faedb6967 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -1236,6 +1236,7 @@ void RenderFrameImpl::Initialize() {
   // We delay calling this until we have the WebFrame so that any observer or
   // embedder can call GetWebFrame on any RenderFrame.
   GetContentClient()->renderer()->RenderFrameCreated(this);
+  frame_->startAgents();
 
 #if defined(OS_ANDROID)
   new AppWebMessagePortClient(this);