Make document.activeElement work with OOPIF

content/browser/frame_host/render_frame_proxy_host.cc

 // Copyright 2014 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_proxy_host.h"
 
 #include "base/lazy_instance.h"
 #include "content/browser/bad_message.h"
 #include "content/browser/frame_host/cross_process_frame_connector.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 200 matching lines @@
   if (frame_tree_node_->opener()) {
     frame_tree_node_->opener()->render_manager()->CreateOpenerProxies(
         GetSiteInstance(), frame_tree_node_);
   }
 
   int opener_routing_id =
       frame_tree_node_->render_manager()->GetOpenerRoutingID(GetSiteInstance());
   Send(new FrameMsg_UpdateOpener(GetRoutingID(), opener_routing_id));
 }
 
+void RenderFrameProxyHost::SetFocusedFrame() {
+  Send(new FrameMsg_SetFocusedFrame(routing_id_));
+}
+
 void RenderFrameProxyHost::OnDetach() {
   if (frame_tree_node_->render_manager()->ForInnerDelegate()) {
     // Only main frame proxy can detach for inner WebContents.
     DCHECK(frame_tree_node_->IsMainFrame());
     frame_tree_node_->render_manager()->RemoveOuterDelegateFrame();
     return;
   }
 
   // This message should only be received for subframes.  Note that we can't
   // restrict it to just the current SiteInstances of the ancestors of this
@@ skipping 84 matching lines @@
         new FrameMsg_PostMessageEvent(target_rfh->GetRoutingID(), new_params));
   }
 }
 
 void RenderFrameProxyHost::OnDidChangeOpener(int32 opener_routing_id) {
   frame_tree_node_->render_manager()->DidChangeOpener(opener_routing_id,
                                                       GetSiteInstance());
 }
 
 }  // namespace content