turn off debugging printfs

fix pathops issues 1417, 1418

be more rigorous about pulling intersections of lines to end points
rewrite cubic/line and quad/line intersections to share style

BUG=

Review URL: https://codereview.chromium.org/19543005

git-svn-id: http://skia.googlecode.com/svn/trunk@10270 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/PathOpsCubicQuadIntersectionTest.cpp b/tests/PathOpsCubicQuadIntersectionTest.cpp
index 42a5d33..76ecd01 100644
--- a/tests/PathOpsCubicQuadIntersectionTest.cpp
+++ b/tests/PathOpsCubicQuadIntersectionTest.cpp
@@ -52,9 +52,9 @@
         SkASSERT(roots == quadCubicTests[index].answerCount);
         for (int pt = 0; pt < roots; ++pt) {
             double tt1 = i[0][pt];
-            SkDPoint xy1 = cubic.xyAtT(tt1);
+            SkDPoint xy1 = cubic.ptAtT(tt1);
             double tt2 = i[1][pt];
-            SkDPoint xy2 = quad.xyAtT(tt2);
+            SkDPoint xy2 = quad.ptAtT(tt2);
             if (!xy1.approximatelyEqual(xy2)) {
                 SkDebugf("%s [%d,%d] x!= t1=%g (%g,%g) t2=%g (%g,%g)\n",
                     __FUNCTION__, iIndex, pt, tt1, xy1.fX, xy1.fY, tt2, xy2.fX, xy2.fY);