Inside of content, prefer SiteInstanceImpl to SiteInstance.

content/browser/browser_plugin/browser_plugin_guest.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/browser_plugin/browser_plugin_guest.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 112 matching lines @@
   // Create a RenderFrameProxyHost for the guest in the embedder renderer
   // process, so that the embedder can access the guest's window object.
   // On reattachment, we can reuse the same RenderFrameProxyHost because
   // the embedder process will always be the same even if the embedder
   // WebContents changes.
   //
   // TODO(fsamuel): Make sure this works for transferring guests across
   // owners in different processes. We probably need to clear the
   // |guest_proxy_routing_id_| and perform any necessary cleanup on Detach
   // to enable this.
-  SiteInstance* owner_site_instance = owner_web_contents_->GetSiteInstance();
+  SiteInstanceImpl* owner_site_instance =
+      owner_web_contents_->GetSiteInstance();
   int proxy_routing_id =
       GetWebContents()->GetFrameTree()->root()->render_manager()->
           CreateRenderFrameProxy(owner_site_instance);
   guest_proxy_routing_id_ = RenderFrameProxyHost::FromID(
       owner_site_instance->GetProcess()->GetID(), proxy_routing_id)
           ->GetRenderViewHost()->GetRoutingID();
 
   return guest_proxy_routing_id_;
 }
 
@@ skipping 859 matching lines @@
           range, character_bounds);
 }
 #endif
 
 void BrowserPluginGuest::SetContextMenuPosition(const gfx::Point& position) {
   if (delegate_)
     delegate_->SetContextMenuPosition(position);
 }
 
 }  // namespace content