Move ownership of AppSorting from ExtensionPrefs to ExtensionSystem

extensions/browser/test_extensions_browser_client.cc

 // Copyright 2014 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 "extensions/browser/test_extensions_browser_client.h"
 
 #include "content/public/browser/browser_context.h"
 #include "extensions/browser/app_sorting.h"
 #include "extensions/browser/extension_host_delegate.h"
 #include "extensions/browser/test_runtime_api_delegate.h"
@@ skipping 122 matching lines @@
   return scoped_ptr<ExtensionHostDelegate>();
 }
 
 bool TestExtensionsBrowserClient::DidVersionUpdate(BrowserContext* context) {
   return false;
 }
 
 void TestExtensionsBrowserClient::PermitExternalProtocolHandler() {
 }
 
-scoped_ptr<AppSorting> TestExtensionsBrowserClient::CreateAppSorting(
-    content::BrowserContext* context) {
-  return scoped_ptr<AppSorting>();
-}
-
 bool TestExtensionsBrowserClient::IsRunningInForcedAppMode() { return false; }
 
 ApiActivityMonitor* TestExtensionsBrowserClient::GetApiActivityMonitor(
     BrowserContext* context) {
   return NULL;
 }
 
 ExtensionSystemProvider*
 TestExtensionsBrowserClient::GetExtensionSystemFactory() {
   DCHECK(extension_system_factory_);
@@ skipping 41 matching lines @@
   return true;
 }
 
 ExtensionWebContentsObserver*
 TestExtensionsBrowserClient::GetExtensionWebContentsObserver(
     content::WebContents* web_contents) {
   return nullptr;
 }
 
 }  // namespace extensions