Merge "Clip outline to View clip bounds for shadow computation" into lmp-mr1-dev

    float casterAlpha = properties().getAlpha() * properties().getOutline().getAlpha();

    // holds temporary SkPath to store the result of intersections

    SkPath* frameAllocatedPath = NULL;

    const SkPath* outlinePath = casterOutlinePath;

    // intersect the outline with the reveal clip, if present

    if (revealClipPath) {

        // if we can't simply use the caster's path directly, create a temporary one

        SkPath* frameAllocatedPath = handler.allocPathForFrame();

        frameAllocatedPath = handler.allocPathForFrame();

        Op(*outlinePath, *revealClipPath, kIntersect_PathOp, frameAllocatedPath);

        outlinePath = frameAllocatedPath;

    }

    // intersect the outline with the clipBounds, if present

    if (properties().getClippingFlags() & CLIP_TO_CLIP_BOUNDS) {

        if (!frameAllocatedPath) {

            frameAllocatedPath = handler.allocPathForFrame();

        }

        Rect clipBounds;

        properties().getClippingRectForFlags(CLIP_TO_CLIP_BOUNDS, &clipBounds);

        SkPath clipBoundsPath;

        clipBoundsPath.addRect(clipBounds.left, clipBounds.top,

                clipBounds.right, clipBounds.bottom);

        // intersect the outline with the convex reveal clip

        Op(*casterOutlinePath, *revealClipPath, kIntersect_PathOp, frameAllocatedPath);

        Op(*outlinePath, clipBoundsPath, kIntersect_PathOp, frameAllocatedPath);

        outlinePath = frameAllocatedPath;

    }