Ensure that before creating proxy of site A, RVH of site A is initialized.

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/render_frame_host_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
@@ skipping 550 matching lines @@
                              widget_params));
 
   // The RenderWidgetHost takes ownership of its view. It is tied to the
   // lifetime of the current RenderProcessHost for this RenderFrameHost.
   if (render_widget_host_) {
     RenderWidgetHostView* rwhv =
         new RenderWidgetHostViewChildFrame(render_widget_host_.get());
     rwhv->Hide();
   }
 
+  if (proxy_routing_id != MSG_ROUTING_NONE) {
+    RenderFrameProxyHost* proxy = RenderFrameProxyHost::FromID(
+        GetProcess()->GetID(), proxy_routing_id);
+    // We have also created a RenderFrameProxy in FrameMsg_NewFrame above, so
+    // remember that.
+    proxy->set_render_frame_proxy_created(true);
+  }
+
   // The renderer now has a RenderFrame for this RenderFrameHost.  Note that
   // this path is only used for out-of-process iframes.  Main frame RenderFrames
   // are created with their RenderView, and same-site iframes are created at the
   // time of OnCreateChildFrame.
   SetRenderFrameCreated(true);
 
   return true;
 }
 
 bool RenderFrameHostImpl::IsRenderFrameLive() {
@@ skipping 1190 matching lines @@
 void RenderFrameHostImpl::DidUseGeolocationPermission() {
   RenderFrameHost* top_frame = frame_tree_node()->frame_tree()->GetMainFrame();
   GetContentClient()->browser()->RegisterPermissionUsage(
       PERMISSION_GEOLOCATION,
       delegate_->GetAsWebContents(),
       GetLastCommittedURL().GetOrigin(),
       top_frame->GetLastCommittedURL().GetOrigin());
 }
 
 }  // namespace content