Enable sync for the settings from the Extension Settings API.

chrome/browser/extensions/extension_settings_storage_unittest.h

Index: chrome/browser/extensions/extension_settings_storage_unittest.h
diff --git a/chrome/browser/extensions/extension_settings_storage_unittest.h b/chrome/browser/extensions/extension_settings_storage_unittest.h
index 1d5d66696ceedac22d761d5debb9809b79b91028..f564e41d565f6e172828a61d8d31aea502c6eb4c 100644
--- a/chrome/browser/extensions/extension_settings_storage_unittest.h
+++ b/chrome/browser/extensions/extension_settings_storage_unittest.h
@@ -29,6 +29,7 @@ class ExtensionSettingsStorageTest
   virtual ~ExtensionSettingsStorageTest();
 
   virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
 
  protected:
   ExtensionSettingsStorage* storage_;
@@ -54,7 +55,7 @@ class ExtensionSettingsStorageTest
   scoped_ptr<DictionaryValue> dict123_;
 
  private:
-  scoped_refptr<ExtensionSettings> settings_;
+  ExtensionSettings* settings_;
 
   // Need these so that the DCHECKs for running on FILE or UI threads pass.
   scoped_ptr<MessageLoopForUI> ui_message_loop_;