drop 'orphan' property

sky/engine/core/css/resolver/AnimatedStyleBuilder.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 366 matching lines @@
     case CSSPropertyMinWidth:
         style->setMinWidth(animatableValueToLength(value, state, ValueRangeNonNegative));
         return;
     case CSSPropertyObjectPosition:
         style->setObjectPosition(animatableValueToLengthPoint(value, state));
         return;
     case CSSPropertyOpacity:
         // Avoiding a value of 1 forces a layer to be created.
         style->setOpacity(clampTo<float>(toAnimatableDouble(value)->toDouble(), 0, nextafterf(1, 0)));
         return;
-    case CSSPropertyOrphans:
-        style->setOrphans(animatableValueRoundClampTo<unsigned short>(value, 1));
-        return;
     case CSSPropertyOutlineColor:
         style->setOutlineColor(toAnimatableColor(value)->color());
         return;
     case CSSPropertyOutlineOffset:
         style->setOutlineOffset(animatableValueRoundClampTo<int>(value));
         return;
     case CSSPropertyOutlineWidth:
         style->setOutlineWidth(animatableValueRoundClampTo<unsigned short>(value));
         return;
     case CSSPropertyPaddingBottom:
@@ skipping 77 matching lines @@
         return;
     case CSSPropertyZIndex:
         style->setZIndex(animatableValueRoundClampTo<unsigned>(value));
         return;
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace blink