Changed the default value for Empty Dir Attribute

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 bc3c1bd86be98f88dc2d7ee1f7e9544a13ba772f..5eaf0981b406dc98707ea8ddfad93238b4ec20b3 100644
--- a/third_party/WebKit/Source/core/html/HTMLElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLElement.cpp
@@ -232,10 +232,14 @@ void HTMLElement::collectStyleForPresentationAttribute(const QualifiedName& name
         if (equalIgnoringCase(value, "auto")) {
             addPropertyToPresentationAttributeStyle(style, CSSPropertyUnicodeBidi, unicodeBidiAttributeForDirAuto(this));
         } else {
-            if (isValidDirAttribute(value))
+            if (isValidDirAttribute(value)) {
                 addPropertyToPresentationAttributeStyle(style, CSSPropertyDirection, value);
-            else
-                addPropertyToPresentationAttributeStyle(style, CSSPropertyDirection, "ltr");
+            } else {
+                if (isHTMLBodyElement(*this))

[kojii, 2016/02/12 07:13:07]

nit: better to use "else if"; i.e.,

if (...)
  ...
else if (...)
  ...
else
  ...

[chakshu, 2016/02/15 05:49:25]

Done.

+                    addPropertyToPresentationAttributeStyle(style, CSSPropertyDirection, "ltr");
+                else
+                    addPropertyToPresentationAttributeStyle(style, CSSPropertyDirection, "");
+            }
             if (!hasTagName(bdiTag) && !hasTagName(bdoTag) && !hasTagName(outputTag))
                 addPropertyToPresentationAttributeStyle(style, CSSPropertyUnicodeBidi, CSSValueIsolate);
         }