Remove render_process_host_factory_ from SiteInstanceImpl.

content/browser/site_instance_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SITE_INSTANCE_IMPL_H_
 #define CONTENT_BROWSER_SITE_INSTANCE_IMPL_H_
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 91 matching lines @@
   int32 id_;
 
   // The number of active views under this SiteInstance.
   size_t active_view_count_;
 
   NotificationRegistrar registrar_;
 
   // BrowsingInstance to which this SiteInstance belongs.
   scoped_refptr<BrowsingInstance> browsing_instance_;
 
-  // Factory for new RenderProcessHosts, not owned by this class. NULL indiactes
-  // that the default BrowserRenderProcessHost should be created.
-  const RenderProcessHostFactory* render_process_host_factory_;
-
   // Current RenderProcessHost that is rendering pages for this SiteInstance.
   // This pointer will only change once the RenderProcessHost is destructed.  It
   // will still remain the same even if the process crashes, since in that
   // scenario the RenderProcessHost remains the same.
   RenderProcessHost* process_;
 
   // The web site that this SiteInstance is rendering pages for.
   GURL site_;
 
   // Whether SetSite has been called.
   bool has_site_;
 
   DISALLOW_COPY_AND_ASSIGN(SiteInstanceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SITE_INSTANCE_IMPL_H_