C++ style enums 7/N: MeasureMode (#1389)

Summary:
X-link: https://github.com/facebook/react-native/pull/39452

Pull Request resolved: https://github.com/facebook/yoga/pull/1389

This converts usages of YGMeasureMode to MeasureMode

Reviewed By: rozele

Differential Revision: D49271165

fbshipit-source-id: 273c9ed0a61c3965e469548d29d37e4566c974dc

yoga/node/Node.cpp

@@ -211,10 +211,11 @@ FloatOptional Node::getGapForAxis(
 
 YGSize Node::measure(
     float width,
-    YGMeasureMode widthMode,
+    MeasureMode widthMode,
     float height,
-    YGMeasureMode heightMode) {
-  return measureFunc_(this, width, widthMode, height, heightMode);
+    MeasureMode heightMode) {
+  return measureFunc_(
+      this, width, unscopedEnum(widthMode), height, unscopedEnum(heightMode));
 }
 
 float Node::baseline(float width, float height) const {