Move ownership of AppSorting from ExtensionPrefs to ExtensionSystem

chrome/browser/extensions/test_extension_prefs.h

Index: chrome/browser/extensions/test_extension_prefs.h
diff --git a/chrome/browser/extensions/test_extension_prefs.h b/chrome/browser/extensions/test_extension_prefs.h
index 94a383ca9757fb28e6e34508640190ab952f297b..9f7ba40908dbdf91ee1fc4e28f4817c2d6f359f1 100644
--- a/chrome/browser/extensions/test_extension_prefs.h
+++ b/chrome/browser/extensions/test_extension_prefs.h
@@ -26,6 +26,7 @@ class PrefRegistrySyncable;
 }
 
 namespace extensions {
+class ChromeAppSorting;
 class Extension;
 class ExtensionPrefs;
 
@@ -87,6 +88,8 @@ class TestExtensionPrefs {
   // active after calling RecreateExtensionPrefs(). Defaults to false.
   void set_extensions_disabled(bool extensions_disabled);
 
+  ChromeAppSorting* app_sorting() { return app_sorting_.get(); }
+
  protected:
   base::ScopedTempDir temp_dir_;
   base::FilePath preferences_file_;
@@ -95,6 +98,7 @@ class TestExtensionPrefs {
   scoped_ptr<PrefServiceSyncable> pref_service_;
   scoped_ptr<ExtensionPrefs> prefs_;
   scoped_ptr<ExtensionPrefValueMap> extension_pref_value_map_;
+  scoped_ptr<ChromeAppSorting> app_sorting_;
   const scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
  private: