Store [-webkit-]transform-origin as a TransformOrigin.

Source/core/css/resolver/StyleBuilderConverter.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  *     * 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 15 matching lines @@
 
 #ifndef StyleBuilderConverter_h
 #define StyleBuilderConverter_h
 
 #include "core/css/CSSValue.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/style/QuotesData.h"
 #include "core/rendering/style/ShadowList.h"
 #include "core/rendering/style/StyleReflection.h"
+#include "core/rendering/style/TransformOrigin.h"
 #include "core/svg/SVGLength.h"
 #include "platform/LengthSize.h"
 #include "platform/fonts/FontDescription.h"
 
 namespace blink {
 
 // Note that we assume the parser only allows valid CSSValue types.
 
 class StyleBuilderConverter {
 public:
@@ skipping 26 matching lines @@
     static LengthSize convertRadius(StyleResolverState&, CSSValue*);
     static EPaintOrder convertPaintOrder(StyleResolverState&, CSSValue*);
     static PassRefPtr<ShadowList> convertShadow(StyleResolverState&, CSSValue*);
     static float convertSpacing(StyleResolverState&, CSSValue*);
     template <CSSValueID IdForNone> static AtomicString convertString(StyleResolverState&, CSSValue*);
     static PassRefPtr<SVGLengthList> convertStrokeDasharray(StyleResolverState&, CSSValue*);
     static StyleColor convertStyleColor(StyleResolverState&, CSSValue*, bool forVisitedLink = false);
     static Color convertSVGColor(StyleResolverState&, CSSValue*);
     static PassRefPtr<SVGLength> convertSVGLength(StyleResolverState&, CSSValue*);
     static float convertTextStrokeWidth(StyleResolverState&, CSSValue*);
+    static TransformOrigin convertTransformOrigin(StyleResolverState&, CSSValue*);
 
     static bool convertGridTrackList(CSSValue*, Vector<GridTrackSize>&, NamedGridLinesMap&, OrderedNamedGridLines&, StyleResolverState&);
     static void createImplicitNamedGridLinesFromGridArea(const NamedGridAreaMap&, NamedGridLinesMap&, GridTrackSizingDirection);
 };
 
 template <typename T>
 T StyleBuilderConverter::convertComputedLength(StyleResolverState& state, CSSValue* value)
 {
     return toCSSPrimitiveValue(value)->computeLength<T>(state.cssToLengthConversionData());
 }
@@ skipping 40 matching lines @@
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
     if (primitiveValue->getValueID() == IdForNone)
         return nullAtom;
     return AtomicString(primitiveValue->getStringValue());
 }
 
 } // namespace blink
 
 #endif