Have CSSParserContext take a Document reference in argument

Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
@@ skipping 1211 matching lines @@
 {
     std::pair<CSSPropertyID, String> expression(id, value->serializeResolvingVariables(*state.style()->variables()));
 
     if (knownExpressions.contains(expression))
         return; // cycle detected.
 
     knownExpressions.append(expression);
 
     // 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++) {
         StylePropertySet::PropertyReference property = resultSet->propertyAt(i);
         if (property.id() != CSSPropertyVariable && hasVariableReference(property.value())) {
             resolveVariables(state, property.id(), property.value(), knownExpressions);
         } else {
             StyleBuilder::applyProperty(property.id(), state, property.value());
             // All properties become dependent on their parent style when they use variables.
             state.style()->setHasExplicitlyInheritedProperties();
@@ skipping 1137 matching lines @@
         break;
     }
     case CSSPropertyEnableBackground:
         // Silently ignoring this property for now
         // http://bugs.webkit.org/show_bug.cgi?id=6022
         break;
     }
 }
 
 } // namespace WebCore