Index: Source/core/css/resolver/StyleBuilderCustom.cpp |
diff --git a/Source/core/css/resolver/StyleBuilderCustom.cpp b/Source/core/css/resolver/StyleBuilderCustom.cpp |
index 61f9469503e9409c0ba3b885b951b06d94bc637f..cbe06133e0c63989da7c34a0eb04f9ceaa962c05 100644 |
--- a/Source/core/css/resolver/StyleBuilderCustom.cpp |
+++ b/Source/core/css/resolver/StyleBuilderCustom.cpp |
@@ -897,8 +897,12 @@ void StyleBuilderFunctions::applyValueCSSPropertyWebkitAppRegion(StyleResolverSt |
void StyleBuilderFunctions::applyValueCSSPropertyWebkitWritingMode(StyleResolverState& state, CSSValue* value) |
{ |
- if (value->isPrimitiveValue()) |
- state.setWritingMode(*toCSSPrimitiveValue(value)); |
+ if (value->isPrimitiveValue()) { |
+ CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value); |
+ state.setWritingMode(*primitiveValue); |
+ if (!isHorizontalWritingMode(*primitiveValue)) |
+ state.document().setHasVerticalWritingMode(true); |
+ } |
// FIXME: It is not ok to modify document state while applying style. |
if (state.element() && state.element() == state.document().documentElement()) |