Update from https://crrev.com/316786

ui/gfx/transform.cc

Index: ui/gfx/transform.cc
diff --git a/ui/gfx/transform.cc b/ui/gfx/transform.cc
index 7fe5174e750444225b748a34a67bb61fdea19c82..c13ae1d65f7565c678a185d43252312edb7ee742 100644
--- a/ui/gfx/transform.cc
+++ b/ui/gfx/transform.cc
@@ -40,6 +40,12 @@ inline bool ApproximatelyOne(SkMScalar x, SkMScalar tolerance) {
   return std::abs(x - SkDoubleToMScalar(1.0)) <= tolerance;
 }
 
+static float Round(float f) {
+  if (f == 0.f)
+    return f;
+  return (f > 0.f) ? std::floor(f + 0.5f) : std::ceil(f - 0.5f);
+}
+
 }  // namespace
 
 Transform::Transform(SkMScalar col1row1,
@@ -493,6 +499,12 @@ bool Transform::Blend(const Transform& from, double progress) {
   return true;
 }
 
+void Transform::RoundTranslationComponents() {
+  matrix_.set(0, 3, Round(matrix_.get(0, 3)));
+  matrix_.set(1, 3, Round(matrix_.get(1, 3)));
+}
+
+
 void Transform::TransformPointInternal(const SkMatrix44& xform,
                                        Point3F* point) const {
   if (xform.isIdentity())