Have const StyleResolverState return const RenderStyle

Source/core/scripts/templates/StyleBuilderFunctions.cpp.tmpl

Index: Source/core/scripts/templates/StyleBuilderFunctions.cpp.tmpl
diff --git a/Source/core/scripts/templates/StyleBuilderFunctions.cpp.tmpl b/Source/core/scripts/templates/StyleBuilderFunctions.cpp.tmpl
index 103f4365991493709d757450ae8d64386b09c4ce..b57437ef4f4964de627227f69e2a974327a61f47 100644
--- a/Source/core/scripts/templates/StyleBuilderFunctions.cpp.tmpl
+++ b/Source/core/scripts/templates/StyleBuilderFunctions.cpp.tmpl
@@ -153,7 +153,7 @@ namespace WebCore {
     {%- if property_id == "CSSPropertyWebkitMaskBoxImage" %}
     image.setMaskDefaults();
     {%- endif %}
-    state.styleMap().mapNinePieceImage({{property_id}}, value, image);
+    state.styleMap().mapNinePieceImage(state.style(), {{property_id}}, value, image);
     {{ set_value(property) }}(image);
 }
 {%- endmacro %}