remove CSS 'all' property.

sky/engine/core/css/CSSProperty.cpp

Index: sky/engine/core/css/CSSProperty.cpp
diff --git a/sky/engine/core/css/CSSProperty.cpp b/sky/engine/core/css/CSSProperty.cpp
index ea33ca90b7fc289001371719ab1f09bd043fa6d7..2bc6f7a432a4e20402877f312ca7921bb436393e 100644
--- a/sky/engine/core/css/CSSProperty.cpp
+++ b/sky/engine/core/css/CSSProperty.cpp
@@ -172,18 +172,4 @@ CSSPropertyID CSSProperty::resolveDirectionAwareProperty(CSSPropertyID propertyI
     }
 }
 
-bool CSSProperty::isAffectedByAllProperty(CSSPropertyID propertyID)
-{
-    if (propertyID == CSSPropertyAll)
-        return false;
-
-    // all shorthand spec says:
-    // The all property is a shorthand that resets all CSS properties except
-    // direction and unicode-bidi. It only accepts the CSS-wide keywords.
-    // c.f. http://dev.w3.org/csswg/css-cascade/#all-shorthand
-    // So CSSPropertyUnicodeBidi and CSSPropertyDirection are not
-    // affected by all property.
-    return propertyID != CSSPropertyUnicodeBidi && propertyID != CSSPropertyDirection;
-}
-
 } // namespace blink