Floor to scalar for SDF paths.

Should help Joel land his SDF generation patch.

Change-Id: Ib22b634715c5660f769897c153ceabdb47041838
Reviewed-on: https://skia-review.googlesource.com/6323
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
diff --git a/src/gpu/ops/GrAADistanceFieldPathRenderer.cpp b/src/gpu/ops/GrAADistanceFieldPathRenderer.cpp
index d72a239..678c920 100644
--- a/src/gpu/ops/GrAADistanceFieldPathRenderer.cpp
+++ b/src/gpu/ops/GrAADistanceFieldPathRenderer.cpp
@@ -317,8 +317,8 @@
         scaledBounds.fBottom *= scale;
         // subtract out integer portion of origin
         // (SDF created will be placed with fractional offset burnt in)
-        SkScalar dx = SkScalarFloorToInt(scaledBounds.fLeft);
-        SkScalar dy = SkScalarFloorToInt(scaledBounds.fTop);
+        SkScalar dx = SkScalarFloorToScalar(scaledBounds.fLeft);
+        SkScalar dy = SkScalarFloorToScalar(scaledBounds.fTop);
         scaledBounds.offset(-dx, -dy);
         // get integer boundary
         SkIRect devPathBounds;