shape ops work in progress

git-svn-id: http://skia.googlecode.com/svn/trunk@4118 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/SimplifyFindTop_Test.cpp b/experimental/Intersection/SimplifyFindTop_Test.cpp
index 9c9548e..2abde36 100644
--- a/experimental/Intersection/SimplifyFindTop_Test.cpp
+++ b/experimental/Intersection/SimplifyFindTop_Test.cpp
@@ -51,7 +51,7 @@
             testCommon(contours, index, end);
     SkPoint pts[2];
     double firstT = topSegment->t(index);
-    topSegment->xyAtT(firstT, &pts[0]);
+    pts[0] = topSegment->xyAtT(&topSegment->span(index));
     int direction = index < end ? 1 : -1;
     do {
         index += direction;
@@ -59,7 +59,7 @@
         if (nextT == firstT) {
             continue;
         }
-        topSegment->xyAtT(nextT, &pts[1]);
+        pts[1] = topSegment->xyAtT(&topSegment->span(index));
         if (pts[0] != pts[1]) {
             break;
         }