Make unicode-bidi:isolate the default for elements with dir attributes

third_party/WebKit/Source/core/html/HTMLElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLElement.cpp b/third_party/WebKit/Source/core/html/HTMLElement.cpp
index f0f31f085dfa408b513e83a3905df87d86a201ca..6841e42d20888f1f771ac2c937489f26b777a198 100644
--- a/third_party/WebKit/Source/core/html/HTMLElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLElement.cpp
@@ -234,7 +234,7 @@ void HTMLElement::collectStyleForPresentationAttribute(const QualifiedName& name
             else
                 addPropertyToPresentationAttributeStyle(style, CSSPropertyDirection, "ltr");
             if (!hasTagName(bdiTag) && !hasTagName(bdoTag) && !hasTagName(outputTag))
-                addPropertyToPresentationAttributeStyle(style, CSSPropertyUnicodeBidi, CSSValueEmbed);
+                addPropertyToPresentationAttributeStyle(style, CSSPropertyUnicodeBidi, CSSValueIsolate);
         }
     } else if (name.matches(XMLNames::langAttr)) {
         mapLanguageAttributeToLocale(value, style);