Avoid exposing disabled CSS properties in will-change and transition

Source/core/css/parser/CSSPropertyParser.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 51 matching lines @@
 #include "core/css/CSSShadowValue.h"
 #include "core/css/CSSTimingFunctionValue.h"
 #include "core/css/CSSTransformValue.h"
 #include "core/css/CSSUnicodeRangeValue.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/CSSValuePool.h"
 #include "core/css/Counter.h"
 #include "core/css/HashTools.h"
 #include "core/css/Pair.h"
 #include "core/css/Rect.h"
+#include "core/css/RuntimeCSSEnabled.h"
 #include "core/css/parser/CSSParserIdioms.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/rendering/RenderTheme.h"
 #include "core/svg/SVGParserUtilities.h"
 #include "platform/FloatConversion.h"
 #include "wtf/BitArray.h"
 #include "wtf/HexNumber.h"
 #include "wtf/text/StringBuffer.h"
 #include "wtf/text/StringBuilder.h"
@@ skipping 2992 matching lines @@
         return cssValuePool().createIdentifierValue(value->id);
     return nullptr;
 }
 
 PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseAnimationProperty(AnimationParseContext& context)
 {
     CSSParserValue* value = m_valueList->current();
     if (value->unit != CSSPrimitiveValue::CSS_IDENT)
         return nullptr;
     CSSPropertyID result = cssPropertyID(value->string);
-    if (result)
+    if (result && RuntimeCSSEnabled::isCSSPropertyEnabled(result))
         return cssValuePool().createIdentifierValue(result);
     if (equalIgnoringCase(value, "all")) {
         context.sawAnimationPropertyKeyword();
         return cssValuePool().createIdentifierValue(CSSValueAll);
     }
     if (equalIgnoringCase(value, "none")) {
         context.commitAnimationPropertyKeyword();
         context.sawAnimationPropertyKeyword();
         return cssValuePool().createIdentifierValue(CSSValueNone);
     }
@@ skipping 3921 matching lines @@
             if (!isComma(currentValue))
                 return false;
             expectComma = false;
             m_valueList->next();
             continue;
         }
 
         if (currentValue->unit != CSSPrimitiveValue::CSS_IDENT)
             return false;
 
-        if (CSSPropertyID property = cssPropertyID(currentValue->string)) {
+        CSSPropertyID property = cssPropertyID(currentValue->string);
+        if (property && RuntimeCSSEnabled::isCSSPropertyEnabled(property)) {
             if (property == CSSPropertyWillChange)
                 return false;
             values->append(cssValuePool().createIdentifierValue(property));
         } else {
             switch (currentValue->id) {
             case CSSValueNone:
             case CSSValueAll:
             case CSSValueAuto:
             case CSSValueDefault:
             case CSSValueInitial:
@@ skipping 1195 matching lines @@
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueFill));
     if (!seenStroke)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueStroke));
     if (!seenMarkers)
         parsedValues->append(CSSPrimitiveValue::createIdentifier(CSSValueMarkers));
 
     return parsedValues.release();
 }
 
 } // namespace WebCore