SkCanvas: Helpers for draw{Point,Line,Circle}

Change-Id: Ie9c7d3b8f01aee435563b23b7d27f098f07dd287
Reviewed-on: https://skia-review.googlesource.com/16909
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/gm/dstreadshuffle.cpp b/gm/dstreadshuffle.cpp
index 3385ae4..aaef61d 100644
--- a/gm/dstreadshuffle.cpp
+++ b/gm/dstreadshuffle.cpp
@@ -115,7 +115,7 @@
         rot.postTranslate(3.f, 0);
         for (int i = 0; i < 12; ++i) {
             hairPaint.setColor(GetColor(&colorRandom));
-            canvas->drawLine(pts[0].fX, pts[0].fY, pts[1].fX, pts[1].fY, hairPaint);
+            canvas->drawLine(pts[0], pts[1], hairPaint);
             rot.mapPoints(pts, 2);
         }
     }