Add dataLoss property to IDB's upgradeneeded event

Source/modules/indexeddb/IDBVersionChangeEvent.cpp

 /*
  * Copyright (C) 2011 Google 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  */
 
 #include "config.h"
 #include "modules/indexeddb/IDBVersionChangeEvent.h"
 
 #include "core/dom/EventNames.h"
 #include "modules/indexeddb/IDBAny.h"
 
 namespace WebCore {
 
-PassRefPtr<IDBVersionChangeEvent> IDBVersionChangeEvent::create(PassRefPtr<IDBAny> oldVersion, PassRefPtr<IDBAny> newVersion, const AtomicString& eventType)
+PassRefPtr<IDBVersionChangeEvent> IDBVersionChangeEvent::create(PassRefPtr<IDBAny> oldVersion, PassRefPtr<IDBAny> newVersion, const AtomicString& eventType, bool dataLoss)
 {
-    return adoptRef(new IDBVersionChangeEvent(oldVersion, newVersion, eventType));
+    return adoptRef(new IDBVersionChangeEvent(oldVersion, newVersion, eventType, dataLoss));
 }
 
-IDBVersionChangeEvent::IDBVersionChangeEvent(PassRefPtr<IDBAny> oldVersion, PassRefPtr<IDBAny> newVersion, const AtomicString& eventType)
+IDBVersionChangeEvent::IDBVersionChangeEvent(PassRefPtr<IDBAny> oldVersion, PassRefPtr<IDBAny> newVersion, const AtomicString& eventType, bool dataLoss)
     : Event(eventType, false /*canBubble*/, false /*cancelable*/)
     , m_oldVersion(oldVersion)
     , m_newVersion(newVersion)
+    , m_dataLoss(dataLoss)
 {
     ScriptWrappable::init(this);
 }
 
 IDBVersionChangeEvent::~IDBVersionChangeEvent()
 {
 }
 
+String IDBVersionChangeEvent::dataLoss()
+{
+    if (m_dataLoss)
+        return "total";

[jsbell, 2013/06/14 20:44:04]

Should these be atomic strings, like the IDBCursor/IDBTransaction constants?

[dgrogan, 2013/06/14 22:41:14]

Probably, but I'm just cargo culting. Changed.

+    return "none";
+}
+
 const AtomicString& IDBVersionChangeEvent::interfaceName() const
 {
     return eventNames().interfaceForIDBVersionChangeEvent;
 }
 
 } // namespace WebCore