Move/replace/rename URL-based extension getters from ExtensionService to/in ExtensionSet.

chrome/browser/tab_contents/tab_util.cc

 // Copyright (c) 2011 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 "chrome/browser/tab_contents/tab_util.h"
 
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_factory.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 14 matching lines @@
 }
 
 SiteInstance* GetSiteInstanceForNewTab(TabContents* source_contents,
                                        Profile* profile,
                                        const GURL& url) {
   // If url is a WebUI or extension, we need to be sure to use the right type
   // of renderer process up front.  Otherwise, we create a normal SiteInstance
   // as part of creating the tab.
   ExtensionService* service = profile->GetExtensionService();
   if (ChromeWebUIFactory::GetInstance()->UseWebUIForURL(profile, url) ||
-      (service && service->GetExtensionByWebExtent(url))) {
+      (service &&
+       service->extensions()->GetHostedAppByURL(ExtensionURLInfo(url)))) {
     return SiteInstance::CreateSiteInstanceForURL(profile, url);
   }
 
   if (!source_contents)
     return NULL;
 
   // Don't use this logic when "--process-per-tab" is specified.
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kProcessPerTab) &&
       SiteInstance::IsSameWebSite(source_contents->browser_context(),
                                   source_contents->GetURL(),
                                   url)) {
     return source_contents->GetSiteInstance();
   }
   return NULL;
 }
 
 }  // namespace tab_util