Reland #2 of: Move WebUI ownership from the RenderFrameHostManager to the RenderFrameHost.

content/browser/frame_host/frame_tree.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/frame_tree.h"
 
 #include <queue>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 226 matching lines @@
   // Create the swapped out RVH for the new SiteInstance. This will create
   // a top-level swapped out RFH as well, which will then be wrapped by a
   // RenderFrameProxyHost.
   if (!source || !source->IsMainFrame()) {
     RenderViewHostImpl* render_view_host = GetRenderViewHost(site_instance);
     if (!render_view_host) {
       if (SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
         root()->render_manager()->CreateRenderFrameProxy(site_instance);
       } else {
         root()->render_manager()->CreateRenderFrame(
-            site_instance, nullptr, CREATE_RF_SWAPPED_OUT | CREATE_RF_HIDDEN,
-            nullptr);
+            site_instance, CREATE_RF_SWAPPED_OUT | CREATE_RF_HIDDEN, nullptr);
       }
     } else {
       root()->render_manager()->EnsureRenderViewInitialized(render_view_host,
                                                             site_instance);
     }
   }
 
   scoped_refptr<SiteInstance> instance(site_instance);
 
   // Proxies are created in the FrameTree in response to a node navigating to a
@@ skipping 188 matching lines @@
   // This is only used to set page-level focus in cross-process subframes, and
   // requests to set focus in main frame's SiteInstance are ignored.
   if (instance != root_manager->current_frame_host()->GetSiteInstance()) {
     RenderFrameProxyHost* proxy =
         root_manager->GetRenderFrameProxyHost(instance);
     proxy->Send(new InputMsg_SetFocus(proxy->GetRoutingID(), is_focused));
   }
 }
 
 }  // namespace content