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 a99c05f2a7e61ebbd6ac629d222c0a4dd0d42fd8..f769900ff50fe64837e313b3255602d885dce30a 100644
--- a/Source/core/events/KeyboardEvent.h
+++ b/Source/core/events/KeyboardEvent.h
@@ -70,10 +70,10 @@ 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));
     }
 
@@ -84,6 +84,8 @@ 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;
@@ -105,11 +107,12 @@ 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;
 };