Ensure extensions and the Chrome Web Store are loaded in new BrowsingInstances.

content/browser/web_contents/render_view_host_manager.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/render_view_host_manager.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 413 matching lines @@
     }
   } else {
     // Force swap if it's a Web UI URL.
     if (WebUIControllerFactoryRegistry::GetInstance()->UseWebUIForURL(
             browser_context, new_entry->GetURL())) {
       return true;
     }
   }
 
   if (GetContentClient()->browser()->ShouldSwapProcessesForNavigation(
-          curr_entry ? curr_entry->GetURL() : GURL(), new_entry->GetURL())) {
+          render_view_host_->GetSiteInstance(),
+          curr_entry ? curr_entry->GetURL() : GURL(),
+          new_entry->GetURL())) {
     return true;
   }
 
   if (!curr_entry)
     return false;
 
   // We can't switch a RenderView between view source and non-view source mode
   // without screwing up the session history sometimes (when navigating between
   // "view-source:http://foo.com/" and "http://foo.com/", WebKit doesn't treat
   // it as a new navigation). So require a view switch.
@@ skipping 524 matching lines @@
 RenderViewHostImpl* RenderViewHostManager::GetSwappedOutRenderViewHost(
     SiteInstance* instance) {
   RenderViewHostMap::iterator iter = swapped_out_hosts_.find(instance->GetId());
   if (iter != swapped_out_hosts_.end())
     return iter->second;
 
   return NULL;
 }
 
 }  // namespace content