calc expressions should support time, angle and frequency values.

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 200 matching lines @@
             b = true;
         if (b && mustBeNonNegative && m_parsedCalculation->isNegative())
             b = false;
         break;
     case CalcPercentLength:
         b = (unitflags & FPercent) && (unitflags & FLength);
         break;
     case CalcPercentNumber:
         b = (unitflags & FPercent) && (unitflags & FNumber);
         break;
+    case CalcAngle:
+        b = (unitflags & FAngle);
+        break;
+    case CalcTime:
+        b = (unitflags & FTime);
+        break;
+    case CalcFrequency:
+        b = (unitflags & FFrequency);
+        break;
     case CalcOther:
         break;
     }
     if (!b || releaseCalc == ReleaseParsedCalcValue)
         m_parsedCalculation.release();
     return b;
 }
 
 inline bool CSSPropertyParser::shouldAcceptUnitLessValues(CSSParserValue* value, Units unitflags, CSSParserMode cssParserMode)
 {
@@ skipping 8283 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