Use correct offset when attribute auto is present

Source/core/html/HTMLElement.cpp

Index: Source/core/html/HTMLElement.cpp
diff --git a/Source/core/html/HTMLElement.cpp b/Source/core/html/HTMLElement.cpp
index 7d741fc5342614a92de9e35a0a1acfe0b8eed8c1..3fbe0cacaaa543fa1d2fd148656c8a0fcfe01852 100644
--- a/Source/core/html/HTMLElement.cpp
+++ b/Source/core/html/HTMLElement.cpp
@@ -38,6 +38,7 @@
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/dom/Text.h"
+#include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/markup.h"
 #include "core/events/EventListener.h"
 #include "core/events/KeyboardEvent.h"
@@ -637,9 +638,6 @@ static void setHasDirAutoFlagRecursively(Node* firstNode, bool flag, Node* lastN
     Node* node = firstNode->firstChild();
 
     while (node) {
-        if (node->selfOrAncestorHasDirAutoAttribute() == flag)
-            return;
-
         if (elementAffectsDirectionality(node)) {
             if (node == lastNode)
                 return;
@@ -753,7 +751,15 @@ void HTMLElement::calculateAndAdjustDirectionality()
 {
     Node* strongDirectionalityTextNode;
     TextDirection textDirection = directionality(&strongDirectionalityTextNode);
-    setHasDirAutoFlagRecursively(this, true, strongDirectionalityTextNode);
+    if (hasDirectionAuto()) {
+        setHasDirAutoFlagRecursively(this, true, strongDirectionalityTextNode);
+        if (userAgentShadowRoot())
+            setHasDirAutoFlagRecursively(userAgentShadowRoot(), true);

[esprehn, 2014/06/11 17:38:07]

This should be doing:

for(ShadowRoot* root = youngestShadowRoot(); root; root =
root->olderShadowRoot())
  setHasDirAutoFlagRecursively(root, true);

[Habib Virji, 2014/06/11 17:48:11]

Done.

+    } else {
+        setHasDirAutoFlagRecursively(this, false, strongDirectionalityTextNode);
+        if (userAgentShadowRoot())
+            setHasDirAutoFlagRecursively(userAgentShadowRoot(), false);
+    }
     if (renderer() && renderer()->style() && renderer()->style()->direction() != textDirection)
         setNeedsStyleRecalc(SubtreeStyleChange);
 }