Adding support for CSS3 Grid layout module.

grid-row and grid-column must be unitless numbers.

Author: Mike Nordick

src/renderers/dom/shared/CSSProperty.js

@@ -26,6 +26,8 @@ var isUnitlessNumber = {
   flexShrink: true,
   flexNegative: true,
   flexOrder: true,
+  gridRow: true,
+  gridColumn: true,
   fontWeight: true,
   lineClamp: true,
   lineHeight: true,

src/renderers/dom/shared/__tests__/CSSProperty-test.js

@@ -24,6 +24,8 @@ describe('CSSProperty', function() {
     expect(CSSProperty.isUnitlessNumber.WebkitLineClamp).toBeTruthy();
     expect(CSSProperty.isUnitlessNumber.msFlexGrow).toBeTruthy();
     expect(CSSProperty.isUnitlessNumber.MozFlexGrow).toBeTruthy();
+    expect(CSSProperty.isUnitlessNumber.msGridRow).toBeTruthy();
+    expect(CSSProperty.isUnitlessNumber.msGridColumn).toBeTruthy();
   });
 
 });