Move ownership of AppSorting from ExtensionPrefs to ExtensionSystem

chrome/browser/extensions/chrome_extensions_browser_client.cc

 // Copyright 2013 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/extensions/chrome_extensions_browser_client.h"
 
 #include "base/command_line.h"
 #include "base/version.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 203 matching lines @@
   if (!last_version.IsValid())
     return true;
 
   return last_version.IsOlderThan(current_version);
 }
 
 void ChromeExtensionsBrowserClient::PermitExternalProtocolHandler() {
   ExternalProtocolHandler::PermitLaunchUrl();
 }
 
-scoped_ptr<AppSorting> ChromeExtensionsBrowserClient::CreateAppSorting(
-    content::BrowserContext* context) {
-  return scoped_ptr<AppSorting>(new ChromeAppSorting(context));
-}
-
 bool ChromeExtensionsBrowserClient::IsRunningInForcedAppMode() {
   return chrome::IsRunningInForcedAppMode();
 }
 
 ApiActivityMonitor* ChromeExtensionsBrowserClient::GetApiActivityMonitor(
     content::BrowserContext* context) {
   // The ActivityLog monitors and records function calls and events.
   return ActivityLog::GetInstance(context);
 }
 
@@ skipping 100 matching lines @@
       ->GetBrowserContext();
 
   // Clean up context menus for the WebView.
   auto menu_manager =
       MenuManager::Get(Profile::FromBrowserContext(browser_context));
   menu_manager->RemoveAllContextItems(
       MenuItem::ExtensionKey("", embedder_process_id, view_instance_id));
 }
 
 }  // namespace extensions