Add support for the object-position CSS property.

Source/core/rendering/style/RenderStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 801 matching lines @@
     TextEmphasisMark textEmphasisMark() const;
     const AtomicString& textEmphasisCustomMark() const { return rareInheritedData->textEmphasisCustomMark; }
     TextEmphasisPosition textEmphasisPosition() const { return static_cast<TextEmphasisPosition>(rareInheritedData->textEmphasisPosition); }
     const AtomicString& textEmphasisMarkString() const;
 
     RubyPosition rubyPosition() const { return static_cast<RubyPosition>(rareInheritedData->m_rubyPosition); }
 
     TextOrientation textOrientation() const { return static_cast<TextOrientation>(rareInheritedData->m_textOrientation); }
 
     ObjectFit objectFit() const { return static_cast<ObjectFit>(rareNonInheritedData->m_objectFit); }
+    LengthPoint objectPosition() const { return rareNonInheritedData->m_objectPosition; }
 
     // Return true if any transform related property (currently transform, transformStyle3D or perspective)
     // indicates that we are transforming
     bool hasTransformRelatedProperty() const { return hasTransform() || preserves3D() || hasPerspective(); }
 
     enum ApplyTransformOrigin { IncludeTransformOrigin, ExcludeTransformOrigin };
     void applyTransform(TransformationMatrix&, const LayoutSize& borderBoxSize, ApplyTransformOrigin = IncludeTransformOrigin) const;
     void applyTransform(TransformationMatrix&, const FloatRect& boundingBox, ApplyTransformOrigin = IncludeTransformOrigin) const;
 
     bool hasMask() const { return rareNonInheritedData->m_mask.hasImage() || rareNonInheritedData->m_maskBoxImage.hasImage(); }
@@ skipping 415 matching lines @@
     void setTextCombine(TextCombine v) { SET_VAR(rareNonInheritedData, m_textCombine, v); }
     void setTextDecorationColor(const StyleColor& c) { SET_VAR(rareNonInheritedData, m_textDecorationColor, c); }
     void setTextEmphasisColor(const StyleColor& c) { SET_VAR(rareInheritedData, textEmphasisColor, c); }
     void setTextEmphasisFill(TextEmphasisFill fill) { SET_VAR(rareInheritedData, textEmphasisFill, fill); }
     void setTextEmphasisMark(TextEmphasisMark mark) { SET_VAR(rareInheritedData, textEmphasisMark, mark); }
     void setTextEmphasisCustomMark(const AtomicString& mark) { SET_VAR(rareInheritedData, textEmphasisCustomMark, mark); }
     void setTextEmphasisPosition(TextEmphasisPosition position) { SET_VAR(rareInheritedData, textEmphasisPosition, position); }
     bool setTextOrientation(TextOrientation);
 
     void setObjectFit(ObjectFit f) { SET_VAR(rareNonInheritedData, m_objectFit, f); }
+    void setObjectPosition(LengthPoint position) { SET_VAR(rareNonInheritedData, m_objectPosition, position); }
 
     void setRubyPosition(RubyPosition position) { SET_VAR(rareInheritedData, m_rubyPosition, position); }
 
     void setFilter(const FilterOperations& ops) { SET_VAR(rareNonInheritedData.access()->m_filter, m_operations, ops); }
 
     void setTabSize(unsigned size) { SET_VAR(rareInheritedData, m_tabSize, size); }
 
     // End CSS3 Setters
 
     void setLineGrid(const AtomicString& lineGrid) { SET_VAR(rareInheritedData, m_lineGrid, lineGrid); }
@@ skipping 187 matching lines @@
     static LengthSize initialBorderRadius() { return LengthSize(Length(0, Fixed), Length(0, Fixed)); }
     static ECaptionSide initialCaptionSide() { return CAPTOP; }
     static EClear initialClear() { return CNONE; }
     static ColumnAxis initialColumnAxis() { return AutoColumnAxis; }
     static ColumnProgression initialColumnProgression() { return NormalColumnProgression; }
     static TextDirection initialDirection() { return LTR; }
     static WritingMode initialWritingMode() { return TopToBottomWritingMode; }
     static TextCombine initialTextCombine() { return TextCombineNone; }
     static TextOrientation initialTextOrientation() { return TextOrientationVerticalRight; }
     static ObjectFit initialObjectFit() { return ObjectFitFill; }
+    static LengthPoint initialObjectPosition() { return LengthPoint(Length(50.0, Percent), Length(50.0, Percent)); }
     static EDisplay initialDisplay() { return INLINE; }
     static EEmptyCell initialEmptyCells() { return SHOW; }
     static EFloat initialFloating() { return NoFloat; }
     static EListStylePosition initialListStylePosition() { return OUTSIDE; }
     static EListStyleType initialListStyleType() { return Disc; }
     static EOverflow initialOverflowX() { return OVISIBLE; }
     static EOverflow initialOverflowY() { return OVISIBLE; }
     static EPageBreak initialPageBreak() { return PBAUTO; }
     static EPosition initialPosition() { return StaticPosition; }
     static ETableLayout initialTableLayout() { return TAUTO; }
@@ skipping 278 matching lines @@
     if (compareEqual(rareInheritedData->m_textOrientation, textOrientation))
         return false;
 
     rareInheritedData.access()->m_textOrientation = textOrientation;
     return true;
 }
 
 } // namespace WebCore
 
 #endif // RenderStyle_h