Revert of Revert of stop calling SkScalarDiv (patchset #1 id:1 of https://codereview.chromium.org/1138263002/)

Reason for revert:
android patched, blink has rolled

Original issue's description:
> Revert of stop calling SkScalarDiv (patchset #4 id:60001 of https://codereview.chromium.org/1135053002/)
>
> Reason for revert:
> need to wait for Blink roll (and patch android)
>
> Original issue's description:
> > stop calling SkScalarDiv
> >
> > BUG=skia:
> > TBR=
> >
> > Committed: https://skia.googlesource.com/skia/+/67d71c898249a7af3523b16c6a69895a63bfae0a
>
> TBR=
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/2629697933b5cc975e45d2a45c48f803fc6cbcec

TBR=
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1135693003
diff --git a/tests/DrawBitmapRectTest.cpp b/tests/DrawBitmapRectTest.cpp
index 9c522db..80167b7 100644
--- a/tests/DrawBitmapRectTest.cpp
+++ b/tests/DrawBitmapRectTest.cpp
@@ -124,19 +124,19 @@
     REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, bilerBits));
 
     const SkScalar twoThirds = SK_Scalar1 * 2 / 3;
-    const SkScalar bigScale = SkScalarDiv(size.width() + twoThirds, size.width());
+    const SkScalar bigScale = (size.width() + twoThirds) / size.width();
     mat.setScale(bigScale, bigScale);
     REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, false));
     REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, bilerBits));
 
     const SkScalar oneThird = SK_Scalar1 / 3;
-    const SkScalar smallScale = SkScalarDiv(size.width() + oneThird, size.width());
+    const SkScalar smallScale = (size.width() + oneThird) / size.width();
     mat.setScale(smallScale, smallScale);
     REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, false));
     REPORTER_ASSERT(reporter, !treat_as_sprite(mat, size, bilerBits));
 
     const SkScalar oneFortyth = SK_Scalar1 / 40;
-    const SkScalar tinyScale = SkScalarDiv(size.width() + oneFortyth, size.width());
+    const SkScalar tinyScale = (size.width() + oneFortyth) / size.width();
     mat.setScale(tinyScale, tinyScale);
     REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, false));
     REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, bilerBits));