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

chrome/browser/chrome_content_browser_client.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 CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 #define CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 85 matching lines @@
           chrome_devtools_protocol_handler) OVERRIDE;
   virtual bool IsHandledURL(const GURL& url) OVERRIDE;
   virtual bool IsSuitableHost(content::RenderProcessHost* process_host,
                               const GURL& url) OVERRIDE;
   virtual bool ShouldTryToUseExistingProcessHost(
       content::BrowserContext* browser_context, const GURL& url) OVERRIDE;
   virtual void SiteInstanceGotProcess(
       content::SiteInstance* site_instance) OVERRIDE;
   virtual void SiteInstanceDeleting(content::SiteInstance* site_instance)
       OVERRIDE;
-  virtual bool ShouldSwapProcessesForNavigation(const GURL& current_url,
-                                                const GURL& new_url) OVERRIDE;
+  virtual bool ShouldSwapProcessesForNavigation(
+      content::SiteInstance* site_instance,
+      const GURL& current_url,
+      const GURL& new_url) OVERRIDE;
   virtual bool ShouldSwapProcessesForRedirect(
       content::ResourceContext* resource_context,
       const GURL& current_url,
       const GURL& new_url) OVERRIDE;
   virtual std::string GetCanonicalEncodingNameByAliasName(
       const std::string& alias_name) OVERRIDE;
   virtual void AppendExtraCommandLineSwitches(CommandLine* command_line,
                                               int child_process_id) OVERRIDE;
   virtual std::string GetApplicationLocale() OVERRIDE;
   virtual std::string GetAcceptLangs(
@@ skipping 148 matching lines @@
   // Cached version of the locale so we can return the locale on the I/O
   // thread.
   std::string io_thread_application_locale_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentBrowserClient);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_CONTENT_BROWSER_CLIENT_H_