Move background related shorthands into CSSPropertyParser

third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp

Index: third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
index 75fd9d032217e858a2eae9df47831782764d8f0f..6558564e33b8e4f1d3493968474e72a9caf0dba3 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
@@ -706,25 +706,6 @@ float StyleBuilderConverter::convertPerspective(StyleResolverState& state, const
     return convertPerspectiveLength(state, primitiveValue);
 }
 
-template <CSSValueID cssValueFor0, CSSValueID cssValueFor100>
-static Length 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);
-}
-
 EPaintOrder StyleBuilderConverter::convertPaintOrder(StyleResolverState&, const CSSValue& cssPaintOrder)
 {
     if (cssPaintOrder.isValueList()) {