Handle webuis when using the network service.

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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/web_contents/web_contents_impl.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <utility>
@@ skipping 309 matching lines @@
   if (!rfh)
     return nullptr;
   return static_cast<RenderFrameHostImpl*>(rfh)->delegate()->GetAsWebContents();
 }
 
 WebContents* WebContents::FromFrameTreeNodeId(int frame_tree_node_id) {
   FrameTreeNode* frame_tree_node =
       FrameTreeNode::GloballyFindByID(frame_tree_node_id);
   if (!frame_tree_node)
     return nullptr;
-  return FromRenderFrameHost(frame_tree_node->current_frame_host());
+  return WebContentsImpl::FromFrameTreeNode(frame_tree_node);
 }
 
 void WebContents::SetScreenOrientationDelegate(
     ScreenOrientationDelegate* delegate) {
   ScreenOrientationProvider::SetDelegate(delegate);
 }
 
 // WebContentsImpl::DestructionObserver ----------------------------------------
 
 class WebContentsImpl::DestructionObserver : public WebContentsObserver {
@@ skipping 5261 matching lines @@
     RenderViewHost* render_view_host = RenderViewHost::From(render_widget_host);
     if (!render_view_host)
       continue;
     render_view_host_set.insert(render_view_host);
   }
   for (RenderViewHost* render_view_host : render_view_host_set)
     render_view_host->OnWebkitPreferencesChanged();
 }
 
 }  // namespace content