Have CSSParserContext take a Document reference in argument

Source/core/css/resolver/StyleBuilderCustom.cpp

Index: Source/core/css/resolver/StyleBuilderCustom.cpp
diff --git a/Source/core/css/resolver/StyleBuilderCustom.cpp b/Source/core/css/resolver/StyleBuilderCustom.cpp
index ce4aecccb0644e7324813fa0b1b522edef6970ea..3bd5e6c8c6c54f24ccd26d8844436b35ac773d17 100644
--- a/Source/core/css/resolver/StyleBuilderCustom.cpp
+++ b/Source/core/css/resolver/StyleBuilderCustom.cpp
@@ -1229,7 +1229,7 @@ static void resolveVariables(StyleResolverState& state, CSSPropertyID id, CSSVal
 
     // FIXME: It would be faster not to re-parse from strings, but for now CSS property validation lives inside the parser so we do it there.
     RefPtr<MutableStylePropertySet> resultSet = MutableStylePropertySet::create();
-    if (!CSSParser::parseValue(resultSet.get(), id, expression.second, false, &state.document()))
+    if (!CSSParser::parseValue(resultSet.get(), id, expression.second, false, state.document()))
         return; // expression failed to parse.
 
     for (unsigned i = 0; i < resultSet->propertyCount(); i++) {