Implement all shorthand property.

Source/core/css/StylePropertyShorthandCustom.cpp

Index: Source/core/css/StylePropertyShorthandCustom.cpp
diff --git a/Source/core/css/StylePropertyShorthandCustom.cpp b/Source/core/css/StylePropertyShorthandCustom.cpp
index b157746c8b99736ec302206f380d2deb93dc3e79..1cbc71ccb617e8192a22316ac68091f655a5d0c2 100644
--- a/Source/core/css/StylePropertyShorthandCustom.cpp
+++ b/Source/core/css/StylePropertyShorthandCustom.cpp
@@ -113,6 +113,14 @@ bool isExpandedShorthand(CSSPropertyID id)
     return shorthandForProperty(id).length();
 }
 
+bool isExpandedShorthandForAll(CSSPropertyID id)
+{
+    if (id == CSSPropertyFont || id == CSSPropertyWidth || id == CSSPropertyMarker || id == CSSPropertyHeight)

[esprehn, 2014/05/30 00:59:22]

Can you link to the spec in a comment? This is a really weird list.

[tasak, 2014/06/04 09:37:41]

I found some mistakes in the condition. We don't need "CSSPropertyWidth" and
"CSSPropertyHeight".

I fixed.

On 2014/05/30 00:59:22, esprehn wrote:
Sure. I added a comment, but the comment is not related to the spec.

Because we need "CSSPropertyFont" and "CSSPropertyMarker" because of Blink
implementation.
So the comment explains why we need to check the two properties.

+        return true;
+
+    return shorthandForProperty(id).length();
+}
+
 unsigned indexOfShorthandForLonghand(CSSPropertyID shorthandID, const Vector<StylePropertyShorthand, 4>& shorthands)
 {
     for (unsigned i = 0; i < shorthands.size(); ++i) {