am 027448e0: Remove an unnecessary thread.

        }

        public static RingCharBuffer init(InputMethodService context, boolean enabled,

                boolean usabilityStudy) {

            if (!(enabled || usabilityStudy)) return null;

            sRingCharBuffer.mContext = context;

            sRingCharBuffer.mEnabled = enabled || usabilityStudy;

            sRingCharBuffer.mEnabled = true;

            UsabilityStudyLogUtils.getInstance().init(context);

            return sRingCharBuffer;

        }

        // TODO: remove code duplication with ResearchLog class

        private static final String USABILITY_TAG = UsabilityStudyLogUtils.class.getSimpleName();

        private static final String FILENAME = "log.txt";

        private static final UsabilityStudyLogUtils sInstance =

                new UsabilityStudyLogUtils();

        private final Handler mLoggingHandler;

        private File mFile;

        private File mDirectory;

            mLoggingHandler = new Handler(handlerThread.getLooper());

        }

        // Initialization-on-demand holder

        private static class OnDemandInitializationHolder {

            public static final UsabilityStudyLogUtils sInstance = new UsabilityStudyLogUtils();

        }

        public static UsabilityStudyLogUtils getInstance() {

            return sInstance;

            return OnDemandInitializationHolder.sInstance;

        }

        public void init(InputMethodService ims) {