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

third_party/WebKit/Source/core/editing/EditingStyle.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 123 matching lines @@
     void removePropertiesInElementDefaultStyle(Element*);
     void addAbsolutePositioningFromElement(const Element&);
     void forceInline();
     int legacyFontSize(Document*) const;
 
     float fontSizeDelta() const { return m_fontSizeDelta; }
     bool hasFontSizeDelta() const { return m_fontSizeDelta != NoFontDelta; }
 
     static PassRefPtrWillBeRawPtr<EditingStyle> styleAtSelectionStart(const VisibleSelection&, bool shouldUseBackgroundColorInEffect = false);
     static WritingDirection textDirectionForSelection(const VisibleSelection&, EditingStyle* typingStyle, bool& hasNestedOrMultipleEmbeddings);
+    static bool isEmbedOrIsolate(CSSValueID unicodeBidi)
+    {
+        return unicodeBidi == CSSValueIsolate || unicodeBidi == CSSValueWebkitIsolate || unicodeBidi == CSSValueEmbed;
+    }
 
     DECLARE_TRACE();
 
 private:
     EditingStyle();
     EditingStyle(ContainerNode*, PropertiesToInclude);
     EditingStyle(const Position&, PropertiesToInclude);
     explicit EditingStyle(const StylePropertySet*);
     EditingStyle(CSSPropertyID, const String& value);
     void init(Node*, PropertiesToInclude);
@@ skipping 75 matching lines @@
     String m_applyFontSize;
 };
 
 // FIXME: Remove these functions or make them non-global to discourage using CSSStyleDeclaration directly.
 CSSValueID getIdentifierValue(CSSStyleDeclaration*, CSSPropertyID);
 CSSValueID getIdentifierValue(StylePropertySet*, CSSPropertyID);
 
 } // namespace blink
 
 #endif // EditingStyle_h