Adding support for DOM3 KeyboardEvents Code in KeyboardEvents

Source/core/events/KeyboardEvent.cpp

 /**
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 88 matching lines @@
     : m_location(DOM_KEY_LOCATION_STANDARD)
     , m_isAutoRepeat(false)
 {
 }
 
 KeyboardEvent::KeyboardEvent(const PlatformKeyboardEvent& key, AbstractView* view)
     : UIEventWithKeyState(eventTypeForKeyboardEventType(key.type()),
                           true, true, view, 0, key.ctrlKey(), key.altKey(), key.shiftKey(), key.metaKey())
     , m_keyEvent(adoptPtr(new PlatformKeyboardEvent(key)))
     , m_keyIdentifier(key.keyIdentifier())
+    , m_code(key.code())
     , m_location(keyLocationCode(key))
     , m_isAutoRepeat(key.isAutoRepeat())
 {
     setUICreateTime(key.timestamp());
 }
 
 KeyboardEvent::KeyboardEvent(const AtomicString& eventType, const KeyboardEventInit& initializer)
     : UIEventWithKeyState(eventType, initializer.bubbles, initializer.cancelable, initializer.view, initializer.detail, initializer.ctrlKey, initializer.altKey, initializer.shiftKey, initializer.metaKey)
     , m_keyIdentifier(initializer.keyIdentifier)
     , m_location(initializer.location)
     , m_isAutoRepeat(initializer.repeat)
 {
 }
 
 KeyboardEvent::KeyboardEvent(const AtomicString& eventType, bool canBubble, bool cancelable, AbstractView *view,
-                             const String &keyIdentifier,  unsigned location,
-                             bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
+    const String& keyIdentifier, const String& code, unsigned location, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)

[Mike West, 2015/01/29 11:49:34]

Nit: Why reformat this?

[Habib Virji, 2015/01/29 12:24:14]

Since it was more than 4 spaces, pre-submit was giving error. 

     : UIEventWithKeyState(eventType, canBubble, cancelable, view, 0, ctrlKey, altKey, shiftKey, metaKey)
     , m_keyIdentifier(keyIdentifier)
+    , m_code(code)
     , m_location(location)
     , m_isAutoRepeat(false)
 {
 }
 
 KeyboardEvent::~KeyboardEvent()
 {
 }
 
 void KeyboardEvent::initKeyboardEvent(const AtomicString& type, bool canBubble, bool cancelable, AbstractView* view,
-                                      const String &keyIdentifier, unsigned location,
-                                      bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)
+    const String& keyIdentifier, unsigned location, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey)

[Mike West, 2015/01/29 11:49:34]

Nit: Why reformat this?

[Habib Virji, 2015/01/29 12:24:14]

Since it was more than 4 spaces, pre-submit was giving error. 

 {
     if (dispatched())
         return;
 
     initUIEvent(type, canBubble, cancelable, view, 0);
 
     m_keyIdentifier = keyIdentifier;
     m_location = location;
     m_ctrlKey = ctrlKey;
     m_shiftKey = shiftKey;
@@ skipping 73 matching lines @@
 {
 }
 
 bool KeyboardEventDispatchMediator::dispatchEvent(EventDispatcher& dispatcher) const
 {
     // Make sure not to return true if we already took default action while handling the event.
     return EventDispatchMediator::dispatchEvent(dispatcher) && !event().defaultHandled();
 }
 
 } // namespace blink