Remove more scrolling code from Sky

sky/engine/core/css/CSSComputedStyleDeclaration.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
@@ skipping 141 matching lines @@
     CSSPropertyPaddingBottom,
     CSSPropertyPaddingLeft,
     CSSPropertyPaddingRight,
     CSSPropertyPaddingTop,
     CSSPropertyPageBreakAfter,
     CSSPropertyPageBreakBefore,
     CSSPropertyPageBreakInside,
     CSSPropertyPointerEvents,
     CSSPropertyPosition,
     CSSPropertyRight,
-    CSSPropertyScrollBehavior,
     CSSPropertySpeak,
     CSSPropertyTableLayout,
     CSSPropertyTabSize,
     CSSPropertyTextAlign,
     CSSPropertyTextAlignLast,
     CSSPropertyTextDecoration,
     CSSPropertyTextDecorationLine,
     CSSPropertyTextDecorationStyle,
     CSSPropertyTextDecorationColor,
     CSSPropertyTextJustify,
@@ skipping 689 matching lines @@
     case Timing::PlaybackDirectionReverse:
         return cssValuePool().createIdentifierValue(CSSValueReverse);
     case Timing::PlaybackDirectionAlternateReverse:
         return cssValuePool().createIdentifierValue(CSSValueAlternateReverse);
     default:
         ASSERT_NOT_REACHED();
         return nullptr;
     }
 }
 
-static PassRefPtr<CSSValue> valueForWillChange(const Vector<CSSPropertyID>& willChangeProperties, bool willChangeContents, bool willChangeScrollPosition)
+static PassRefPtr<CSSValue> valueForWillChange(const Vector<CSSPropertyID>& willChangeProperties, bool willChangeContents)
 {
     RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
     if (willChangeContents)
         list->append(cssValuePool().createIdentifierValue(CSSValueContents));
-    if (willChangeScrollPosition)
-        list->append(cssValuePool().createIdentifierValue(CSSValueScrollPosition));
     for (size_t i = 0; i < willChangeProperties.size(); ++i)
         list->append(cssValuePool().createIdentifierValue(willChangeProperties[i]));
     if (!list->length())
         list->append(cssValuePool().createIdentifierValue(CSSValueAuto));
     return list.release();
 }
 
 static PassRefPtr<CSSValue> createLineBoxContainValue(unsigned lineBoxContain)
 {
     if (!lineBoxContain)
@@ skipping 791 matching lines @@
             EPageBreak pageBreak = style->pageBreakInside();
             ASSERT(pageBreak != PBALWAYS);
             if (pageBreak == PBALWAYS)
                 return nullptr;
             return cssValuePool().createValue(style->pageBreakInside());
         }
         case CSSPropertyPosition:
             return cssValuePool().createValue(style->position());
         case CSSPropertyRight:
             return valueForPositionOffset(*style, CSSPropertyRight, renderer);
-        case CSSPropertyScrollBehavior:
-            return cssValuePool().createValue(style->scrollBehavior());
         case CSSPropertyTableLayout:
             return cssValuePool().createValue(style->tableLayout());
         case CSSPropertyTextAlign:
             return cssValuePool().createValue(style->textAlign());
         case CSSPropertyTextAlignLast:
             return cssValuePool().createValue(style->textAlignLast());
         case CSSPropertyTextDecoration:
             if (RuntimeEnabledFeatures::css3TextDecorationsEnabled())
                 return valuesForShorthandProperty(textDecorationShorthand());
             // Fall through.
@@ skipping 106 matching lines @@
         case CSSPropertyWidth:
             if (renderer) {
                 // According to http://www.w3.org/TR/CSS2/visudet.html#the-width-property,
                 // the "width" property does not apply for non-replaced inline elements.
                 if (!renderer->isReplaced() && renderer->isInline())
                     return cssValuePool().createIdentifierValue(CSSValueAuto);
                 return pixelValue(sizingBox(renderer).width(), *style);
             }
             return pixelValueForLength(style->width(), *style);
         case CSSPropertyWillChange:
-            return valueForWillChange(style->willChangeProperties(), style->willChangeContents(), style->willChangeScrollPosition());
+            return valueForWillChange(style->willChangeProperties(), style->willChangeContents());
         case CSSPropertyWordBreak:
             return cssValuePool().createValue(style->wordBreak());
         case CSSPropertyWordSpacing:
             return pixelValue(style->wordSpacing(), *style);
         case CSSPropertyWordWrap:
             return cssValuePool().createValue(style->overflowWrap());
         case CSSPropertyWebkitLineBreak:
             return cssValuePool().createValue(style->lineBreak());
         case CSSPropertyFontKerning:
             return cssValuePool().createValue(style->fontDescription().kerning());
@@ skipping 557 matching lines @@
     static const CSSPropertyID propertiesAfterSlashSeperator[3] = { CSSPropertyBackgroundSize, CSSPropertyBackgroundOrigin,
                                                                     CSSPropertyBackgroundClip };
 
     RefPtr<CSSValueList> list = CSSValueList::createSlashSeparated();
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesBeforeSlashSeperator, WTF_ARRAY_LENGTH(propertiesBeforeSlashSeperator))));
     list->append(valuesForShorthandProperty(StylePropertyShorthand(CSSPropertyBackground, propertiesAfterSlashSeperator, WTF_ARRAY_LENGTH(propertiesAfterSlashSeperator))));
     return list.release();
 }
 
 } // namespace blink