Change signature of SkSpecialImage::draw to take SkScalars

tests/SpecialImageTest.cpp

Index: tests/SpecialImageTest.cpp
diff --git a/tests/SpecialImageTest.cpp b/tests/SpecialImageTest.cpp
index 3ae8d33911758a95b0bf933d2fdd818a9469e44d..bc770a0ddc2d6f249ecd606e449a51473ad8e66b 100644
--- a/tests/SpecialImageTest.cpp
+++ b/tests/SpecialImageTest.cpp
@@ -88,7 +88,7 @@ static void test_image(SkSpecialImage* img, skiatest::Reporter* reporter,
     SkCanvas* canvas = surf->getCanvas();
 
     canvas->clear(SK_ColorBLUE);
-    img->draw(canvas, kPad, kPad, nullptr);
+    img->draw(canvas, SkIntToScalar(kPad), SkIntToScalar(kPad), nullptr);
 
     SkBitmap bm;
     bm.allocN32Pixels(kFullSize, kFullSize, true);