calc expressions should support time, angle and frequency values.

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 988 matching lines @@
         case CSSValueNormal:
             state.style()->setMarqueeSpeed(85); // 85msec. The WinIE default.
             break;
         case CSSValueFast:
             state.style()->setMarqueeSpeed(10); // 10msec. Super fast.
             break;
         default:
             break;
         }
     } else if (primitiveValue->isTime()) {
-        state.style()->setMarqueeSpeed(primitiveValue->computeTime<int, CSSPrimitiveValue::Milliseconds>());
+        state.style()->setMarqueeSpeed(static_cast<int>(primitiveValue->computeSeconds()) * 1000);
     } else if (primitiveValue->isNumber()) { // For scrollamount support.
         state.style()->setMarqueeSpeed(primitiveValue->getIntValue());
     }
 }
 
 // FIXME: We should use the same system for this as the rest of the pseudo-shorthands (e.g. background-position)
 void StyleBuilderFunctions::applyInitialCSSPropertyWebkitPerspectiveOrigin(StyleResolverState& state)
 {
     applyInitialCSSPropertyWebkitPerspectiveOriginX(state);
     applyInitialCSSPropertyWebkitPerspectiveOriginY(state);
@@ skipping 461 matching lines @@
         break;
     default:
         ASSERT_NOT_REACHED();
         break;
     }
 
     state.style()->setGridAutoFlow(autoFlow);
 }
 
 } // namespace WebCore