Adding support for DOM3 KeyboardEvents Code in KeyboardEvents

Source/core/events/KeyboardEvent.h

Index: Source/core/events/KeyboardEvent.h
diff --git a/Source/core/events/KeyboardEvent.h b/Source/core/events/KeyboardEvent.h
index 072a70408fcdfd0183dcb6f39b6d9325210a1a45..40af0e2a871ef16f8b7d37b861d5674af41d9e63 100644
--- a/Source/core/events/KeyboardEvent.h
+++ b/Source/core/events/KeyboardEvent.h
@@ -59,10 +59,10 @@ public:
     }
 
     static PassRefPtrWillBeRawPtr<KeyboardEvent> create(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view,
-        const String& keyIdentifier, unsigned location,
+        const String& keyIdentifier, const String& code, unsigned location,
         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
     {
-        return adoptRefWillBeNoop(new KeyboardEvent(type, canBubble, cancelable, view, keyIdentifier, location,
+        return adoptRefWillBeNoop(new KeyboardEvent(type, canBubble, cancelable, view, keyIdentifier, code, location,
         ctrlKey, altKey, shiftKey, metaKey));
     }
 
@@ -73,6 +73,8 @@ public:
         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
 
     const String& keyIdentifier() const { return m_keyIdentifier; }
+    const String& code() const { return m_code; }
+
     unsigned location() const { return m_location; }
 
     bool getModifierState(const String& keyIdentifier) const;
@@ -94,11 +96,12 @@ private:
     KeyboardEvent(const PlatformKeyboardEvent&, AbstractView*);
     KeyboardEvent(const AtomicString&, const KeyboardEventInit&);
     KeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView*,
-        const String& keyIdentifier, unsigned location,
+        const String& keyIdentifier, const String& code, unsigned location,
         bool ctrlKey, bool altKey, bool shiftKey, bool metaKey);
 
     OwnPtr<PlatformKeyboardEvent> m_keyEvent;
     String m_keyIdentifier;
+    String m_code;
     unsigned m_location;
     bool m_isAutoRepeat : 1;
 };