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/PathOpsDLineTest.cpp b/tests/PathOpsDLineTest.cpp
index feab21d..ea816c5 100644
--- a/tests/PathOpsDLineTest.cpp
+++ b/tests/PathOpsDLineTest.cpp
@@ -47,7 +47,7 @@
         REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
         line2 = SkDLine::SubDivide(pts, 1, 0);
         REPORTER_ASSERT(reporter, line[0] == line2[1] && line[1] == line2[0]);
-        SkDPoint mid = line.xyAtT(.5);
+        SkDPoint mid = line.ptAtT(.5);
         REPORTER_ASSERT(reporter, approximately_equal((line[0].fX + line[1].fX) / 2, mid.fX));
         REPORTER_ASSERT(reporter, approximately_equal((line[0].fY + line[1].fY) / 2, mid.fY));
     }