Merge "Allow Path approximation to work with a single point Path." into lmp-dev

        std::vector<float> lengths;

        float errorSquared = acceptableError * acceptableError;

        while ((verb = pathIter.next(points)) != SkPath::kDone_Verb) {

        while ((verb = pathIter.next(points, false)) != SkPath::kDone_Verb) {

            createVerbSegments(verb, points, segmentPoints, lengths, errorSquared);

        }

        if (segmentPoints.empty()) {

            return NULL;

            int numVerbs = path->countVerbs();

            if (numVerbs == 1) {

                addMove(segmentPoints, lengths, path->getPoint(0));

            } else {

                // Invalid or empty path. Fall back to point(0,0)

                addMove(segmentPoints, lengths, SkPoint());

            }

        }

        float totalLength = lengths.back();

        if (totalLength == 0) {

            // Lone Move instructions should still be able to animate at the same value.

            segmentPoints.push_back(segmentPoints.back());

            lengths.push_back(1);

            totalLength = 1;

        }

        size_t numPoints = segmentPoints.size();

        size_t approximationArraySize = numPoints * 3;

        float* approximation = new float[approximationArraySize];

        float totalLength = lengths.back();

        int approximationIndex = 0;

        for (size_t i = 0; i < numPoints; i++) {