[WIP] Implement :dir()

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

Index: third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
index 346846a93476fd69ec567ee82784ea8c5b029b88..3d14c1f5d1f6c20b4739b62a133124565f569e65 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp
@@ -619,13 +619,9 @@ void StyleResolver::matchAllRules(StyleResolverState& state, ElementRuleCollecto
         // after all attributes, since their mapped style depends on the values of multiple attributes.
         collector.addElementStyleProperties(state.element()->additionalPresentationAttributeStyle());
 
-        if (state.element()->isHTMLElement()) {
-            bool isAuto;
-            TextDirection textDirection = toHTMLElement(state.element())->directionalityIfhasDirAutoAttribute(isAuto);
-            if (isAuto) {
-                state.setHasDirAutoAttribute(true);
-                collector.addElementStyleProperties(textDirection == LTR ? leftToRightDeclaration() : rightToLeftDeclaration());
-            }
+        if (state.element()->isHTMLElement() && toHTMLElement(state.element())->hasDirectionAuto()) {
+            state.setHasDirAutoAttribute(true);
+            collector.addElementStyleProperties(state.element()->directionality() == LTR ? leftToRightDeclaration() : rightToLeftDeclaration());
         }
     }