Code cleanup.
Code cleanup.

appsquickly/XcodeEditor,service2media/XcodeEditor,appsquickly/XcodeEditor,khanhtbh/XcodeEditor,andyvand/XcodeEditor,JoelGerboreLaser/XcodeEditor,appsquickly/XcodeEditor,khanhtbh/XcodeEditor,iosdevzone/XcodeEditor,cezheng/XcodeEditor,JoelGerboreLaser/XcodeEditor,cezheng/XcodeEditor