diff --git a/gfx/matrix_skia.h b/gfx/matrix_skia.h
index 1d9cb6b1c..2a25527f1 100644
--- a/gfx/matrix_skia.h
+++ b/gfx/matrix_skia.h
@@ -101,7 +101,8 @@ namespace gfx {
 
     RectF mapRect(const RectF& src) const {
       SkRect dst;
-      m_skMatrix.mapRect(&dst, SkRect::MakeXYWH(src.x, src.y, src.w, src.h));
+      m_skMatrix.mapRect(&dst, SkRect::MakeXYWH(SkScalar(src.x), SkScalar(src.y),
+                                                SkScalar(src.w), SkScalar(src.h)));
       return RectF(dst.x(), dst.y(), dst.width(), dst.height());
     }
 
diff --git a/os/skia/skia_helpers.h b/os/skia/skia_helpers.h
index 2ebb64a29..2b10567b5 100644
--- a/os/skia/skia_helpers.h
+++ b/os/skia/skia_helpers.h
@@ -29,13 +29,13 @@ inline SkIRect to_skia(const gfx::Rect& rc) {
 }
 
 inline SkRect to_skia(const gfx::RectF& rc) {
-  return SkRect::MakeXYWH(rc.x, rc.y, rc.w, rc.h);
+  return SkRect::MakeXYWH(SkScalar(rc.x), SkScalar(rc.y), SkScalar(rc.w), SkScalar(rc.h));
 }
 
 inline SkRect to_skia_fix(const gfx::RectF& rc) {
-  return SkRect::MakeXYWH(rc.x, rc.y,
-                          std::max(0.0, rc.w-1),
-                          std::max(0.0, rc.h-1));
+  return SkRect::MakeXYWH(SkScalar(rc.x), SkScalar(rc.y),
+                          SkScalar(std::max(0.0, rc.w-1)),
+                          SkScalar(std::max(0.0, rc.h-1)));
 }
 
 inline void to_skia(const Paint& paint, SkPaint& skPaint) {
diff --git a/os/surface.h b/os/surface.h
index 4217e8334..c038e6882 100644
--- a/os/surface.h
+++ b/os/surface.h
@@ -116,7 +116,7 @@ namespace os {
     void drawCircle(const gfx::PointF& center,
                     float radius,
                     const os::Paint& paint) {
-      drawCircle(center.x, center.y, radius, paint);
+      drawCircle(float(center.x), float(center.y), radius, paint);
     }
 
     void drawCircle(const gfx::Point& center,