Move ownership of AppSorting from ExtensionPrefs to ExtensionSystem

chrome/browser/extensions/chrome_extensions_browser_client.cc

Index: chrome/browser/extensions/chrome_extensions_browser_client.cc
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.cc b/chrome/browser/extensions/chrome_extensions_browser_client.cc
index 6a49327f91f79c0265379f40721b140aac6a61ba..32b6bad7c506602b53dd215b984a8b67c18a4312 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.cc
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.cc
@@ -15,7 +15,6 @@
 #include "chrome/browser/extensions/api/preference/chrome_direct_setting.h"
 #include "chrome/browser/extensions/api/preference/preference_api.h"
 #include "chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.h"
-#include "chrome/browser/extensions/chrome_app_sorting.h"
 #include "chrome/browser/extensions/chrome_component_extension_resource_manager.h"
 #include "chrome/browser/extensions/chrome_extension_host_delegate.h"
 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
@@ -221,11 +220,6 @@ 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();
 }