Remove webkit-line-clamp

sky/engine/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 1131 matching lines @@
         }
         return false;
     }
     case CSSPropertyWillChange:
         parsedValue = parseWillChange();
         break;
     // End of CSS3 properties
 
     // Apple specific properties.  These will never be standardized and are purely to
     // support custom WebKit-based Apple applications.
-    case CSSPropertyWebkitLineClamp:
-        // When specifying number of lines, don't allow 0 as a valid value
-        // When specifying either type of unit, require non-negative integers
-        validPrimitive = (!id && (value->unit == CSSPrimitiveValue::CSS_PERCENTAGE || value->fValue) && validUnit(value, FInteger | FPercent | FNonNeg));
-        break;
-
     case CSSPropertyWebkitFontSizeDelta:           // <length>
         validPrimitive = validUnit(value, FLength);
         break;
 
     case CSSPropertyWebkitHighlight:
         if (id == CSSValueNone || value->unit == CSSPrimitiveValue::CSS_STRING)
             validPrimitive = true;
         break;
 
     case CSSPropertyWebkitHyphenateCharacter:
@@ skipping 5053 matching lines @@
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 bool CSSPropertyParser::isSystemColor(int id)
 {
     // FIXME(sky): remove
     return false;
 }
 
 } // namespace blink