Remove more scrolling code from Sky

sky/engine/core/css/parser/BisonCSSParser-in.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 347 matching lines @@
         // for the list of supported list-style-types.
         return (valueID >= CSSValueDisc && valueID <= CSSValueKatakanaIroha) || valueID == CSSValueNone;
     case CSSPropertyObjectFit:
         ASSERT(RuntimeEnabledFeatures::objectFitPositionEnabled());
         return valueID == CSSValueFill || valueID == CSSValueContain || valueID == CSSValueCover || valueID == CSSValueNone || valueID == CSSValueScaleDown;
     case CSSPropertyOutlineStyle: // (<border-style> except hidden) | auto
         return valueID == CSSValueAuto || valueID == CSSValueNone || (valueID >= CSSValueInset && valueID <= CSSValueDouble);
     case CSSPropertyOverflowWrap: // normal | break-word
     case CSSPropertyWordWrap:
         return valueID == CSSValueNormal || valueID == CSSValueBreakWord;
-    case CSSPropertyOverflowX: // visible | hidden | scroll | auto | overlay
-        return valueID == CSSValueVisible || valueID == CSSValueHidden || valueID == CSSValueScroll || valueID == CSSValueAuto || valueID == CSSValueOverlay;
-    case CSSPropertyOverflowY: // visible | hidden | scroll | auto | overlay | -webkit-paged-x | -webkit-paged-y
-        return valueID == CSSValueVisible || valueID == CSSValueHidden || valueID == CSSValueScroll || valueID == CSSValueAuto || valueID == CSSValueOverlay || valueID == CSSValueWebkitPagedX || valueID == CSSValueWebkitPagedY;
+    case CSSPropertyOverflowX: // visible | hidden | auto | overlay
+        return valueID == CSSValueVisible || valueID == CSSValueHidden || valueID == CSSValueAuto || valueID == CSSValueOverlay;
+    case CSSPropertyOverflowY: // visible | hidden | auto | overlay | -webkit-paged-x | -webkit-paged-y
+        return valueID == CSSValueVisible || valueID == CSSValueHidden || valueID == CSSValueAuto || valueID == CSSValueOverlay || valueID == CSSValueWebkitPagedX || valueID == CSSValueWebkitPagedY;
     case CSSPropertyPageBreakAfter: // auto | always | avoid | left | right
     case CSSPropertyPageBreakBefore:
     case CSSPropertyPageBreakInside: // avoid | auto
     case CSSPropertyPointerEvents:
         // none | visiblePainted | visibleFill | visibleStroke | visible |
         // painted | fill | stroke | auto | all | bounding-box
         return valueID == CSSValueVisible || valueID == CSSValueNone || valueID == CSSValueAll || valueID == CSSValueAuto || (valueID >= CSSValueVisiblepainted && valueID <= CSSValueBoundingBox);
     case CSSPropertyPosition: // static | relative | absolute | fixed
         return valueID == CSSValueStatic || valueID == CSSValueRelative || valueID == CSSValueAbsolute || valueID == CSSValueFixed;
-    case CSSPropertyScrollBehavior: // instant | smooth
-        ASSERT(RuntimeEnabledFeatures::cssomSmoothScrollEnabled());
-        return valueID == CSSValueInstant || valueID == CSSValueSmooth;
     case CSSPropertySpeak: // none | normal | spell-out | digits | literal-punctuation | no-punctuation
         return valueID == CSSValueNone || valueID == CSSValueNormal || valueID == CSSValueSpellOut || valueID == CSSValueDigits || valueID == CSSValueLiteralPunctuation || valueID == CSSValueNoPunctuation;
     case CSSPropertyTableLayout: // auto | fixed
         return valueID == CSSValueAuto || valueID == CSSValueFixed;
     case CSSPropertyTextAlignLast:
         // auto | start | end | left | right | center | justify
         ASSERT(RuntimeEnabledFeatures::css3TextEnabled());
         return (valueID >= CSSValueLeft && valueID <= CSSValueJustify) || valueID == CSSValueStart || valueID == CSSValueEnd || valueID == CSSValueAuto;
     case CSSPropertyTextDecorationStyle:
         // solid | double | dotted | dashed | wavy
@@ skipping 90 matching lines @@
     case CSSPropertyObjectFit:
     case CSSPropertyOutlineStyle:
     case CSSPropertyOverflowWrap:
     case CSSPropertyOverflowX:
     case CSSPropertyOverflowY:
     case CSSPropertyPageBreakAfter:
     case CSSPropertyPageBreakBefore:
     case CSSPropertyPageBreakInside:
     case CSSPropertyPointerEvents:
     case CSSPropertyPosition:
-    case CSSPropertyScrollBehavior:
     case CSSPropertySpeak:
     case CSSPropertyTableLayout:
     case CSSPropertyTextAlignLast:
     case CSSPropertyTextDecorationStyle:
     case CSSPropertyTextJustify:
     case CSSPropertyTextOverflow:
     case CSSPropertyTextRendering:
     case CSSPropertyTouchActionDelay:
     case CSSPropertyUnicodeBidi:
     case CSSPropertyBackfaceVisibility:
@@ skipping 1095 matching lines @@
         m_observer->endProperty(isPropertyParsed, m_tokenizer.safeUserStringTokenOffset(), errorType);
 }
 
 void BisonCSSParser::startEndUnknownRule()
 {
     if (m_observer)
         m_observer->startEndUnknownRule();
 }
 
 }