Move background related shorthands into CSSPropertyParser

third_party/WebKit/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 92 matching lines @@
     static ScrollSnapPoints convertSnapPoints(StyleResolverState&, const CSSValue&);
     static Vector<LengthPoint> convertSnapCoordinates(StyleResolverState&, const CSSValue&);
     static LengthPoint convertSnapDestination(StyleResolverState&, const CSSValue&);
     static PassRefPtr<TranslateTransformOperation> convertTranslate(StyleResolverState&, const CSSValue&);
     static PassRefPtr<RotateTransformOperation> convertRotate(StyleResolverState&, const CSSValue&);
     static PassRefPtr<ScaleTransformOperation> convertScale(StyleResolverState&, const CSSValue&);
     static RespectImageOrientationEnum convertImageOrientation(StyleResolverState&, const CSSValue&);
     static PassRefPtr<StylePath> convertPath(StyleResolverState&, const CSSValue&);
     static PassRefPtr<StylePath> convertPathOrNone(StyleResolverState&, const CSSValue&);
     static StyleMotionRotation convertMotionRotation(const CSSValue&);
+    template <CSSValueID cssValueFor0, CSSValueID cssValueFor100> static Length convertOriginLength(StyleResolverState&, const CSSPrimitiveValue&);
 };
 
 template <typename T>
 T StyleBuilderConverter::convertComputedLength(StyleResolverState& state, const CSSValue& value)
 {
     return toCSSPrimitiveValue(value).computeLength<T>(state.cssToLengthConversionData());
 }
 
 template <typename T>
 T StyleBuilderConverter::convertFlags(StyleResolverState& state, const CSSValue& value)
@@ skipping 34 matching lines @@
 
 template <CSSValueID IdForNone>
 AtomicString StyleBuilderConverter::convertString(StyleResolverState&, const CSSValue& value)
 {
     if (value.isStringValue())
         return AtomicString(toCSSStringValue(value).value());
     ASSERT(toCSSPrimitiveValue(value).getValueID() == IdForNone);
     return nullAtom;
 }
 
+template <CSSValueID cssValueFor0, CSSValueID cssValueFor100>
+Length StyleBuilderConverter::convertOriginLength(StyleResolverState& state, const CSSPrimitiveValue& primitiveValue)
+{
+    if (primitiveValue.isValueID()) {
+        switch (primitiveValue.getValueID()) {
+        case cssValueFor0:
+            return Length(0, Percent);
+        case cssValueFor100:
+            return Length(100, Percent);
+        case CSSValueCenter:
+            return Length(50, Percent);
+        default:
+            ASSERT_NOT_REACHED();
+        }
+    }
+
+    return StyleBuilderConverter::convertLength(state, primitiveValue);
+}
+
 } // namespace blink
 
 #endif