Remove useless copy constructor of ProximityInfo

        mNativeProximityInfo = createNativeProximityInfo();

    }

    // TODO: Remove this public constructor when the native part of the ProximityInfo becomes

    // immutable.

    // This public constructor aims only for test purpose.

    public ProximityInfo(ProximityInfo o) {

        mLocaleStr = o.mLocaleStr;

        mGridWidth = o.mGridWidth;

        mGridHeight = o.mGridHeight;

        mGridSize = o.mGridSize;

        mCellWidth = o.mCellWidth;

        mCellHeight = o.mCellHeight;

        mKeyboardMinWidth = o.mKeyboardMinWidth;

        mKeyboardHeight = o.mKeyboardHeight;

        mKeyHeight = o.mKeyHeight;

        mMostCommonKeyWidth = o.mMostCommonKeyWidth;

        mKeys = o.mKeys;

        mTouchPositionCorrection = o.mTouchPositionCorrection;

        mGridNeighbors = new Key[mGridSize][];

        computeNearestNeighbors();

        mNativeProximityInfo = createNativeProximityInfo();

    }

    public static ProximityInfo createDummyProximityInfo() {

        return new ProximityInfo("", 1, 1, 1, 1, 1, 1, EMPTY_KEY_ARRAY, null);

    }