[oilpan] Make the oilpan branch build on Mac.

Source/core/css/CSSParser.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 271 matching lines @@
         && a.isCSSCompositingEnabled == b.isCSSCompositingEnabled
         && a.isCSSGridLayoutEnabled == b.isCSSGridLayoutEnabled
         && a.isCSSVariablesEnabled == b.isCSSVariablesEnabled
         && a.needsSiteSpecificQuirks == b.needsSiteSpecificQuirks;
 }
 
 CSSParser::CSSParser(const CSSParserContext& context)
     : m_context(context)
     , m_important(false)
     , m_id(CSSPropertyInvalid)
-    , m_styleSheet(0)
     , m_supportsCondition(false)
     , m_selectorListForParseSelector(0)
     , m_numParsedPropertiesBeforeMarginBox(INVALID_NUM_PARSED_PROPERTIES)
     , m_inParseShorthand(0)
     , m_currentShorthand(CSSPropertyInvalid)
     , m_implicitShorthand(false)
     , m_hasFontFaceOnlyValues(false)
     , m_hadSyntacticallyValidCSSRule(false)
     , m_logErrors(false)
     , m_ignoreErrorsInDeclaration(false)
@@ skipping 11485 matching lines @@
 {
     // The tokenizer checks for the construct of an+b.
     // However, since the {ident} rule precedes the {nth} rule, some of those
     // tokens are identified as string literal. Furthermore we need to accept
     // "odd" and "even" which does not match to an+b.
     return equalIgnoringCase(token, "odd") || equalIgnoringCase(token, "even")
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 }