Add dataLoss property to IDB's upgradeneeded event

Source/modules/indexeddb/IDBOpenDBRequest.cpp

Index: Source/modules/indexeddb/IDBOpenDBRequest.cpp
diff --git a/Source/modules/indexeddb/IDBOpenDBRequest.cpp b/Source/modules/indexeddb/IDBOpenDBRequest.cpp
index 4756e3bc0cc6b82cb742a2853ea249abffd29efe..eac7261d9e4049faeda92c6fc0e734d3dfe80c03 100644
--- a/Source/modules/indexeddb/IDBOpenDBRequest.cpp
+++ b/Source/modules/indexeddb/IDBOpenDBRequest.cpp
@@ -70,7 +70,7 @@ void IDBOpenDBRequest::onBlocked(int64_t oldVersion)
     enqueueEvent(IDBVersionChangeEvent::create(IDBAny::create(oldVersion), newVersionAny.release(), eventNames().blockedEvent));
 }
 
-void IDBOpenDBRequest::onUpgradeNeeded(int64_t oldVersion, PassRefPtr<IDBDatabaseBackendInterface> prpDatabaseBackend, const IDBDatabaseMetadata& metadata)
+void IDBOpenDBRequest::onUpgradeNeeded(int64_t oldVersion, PassRefPtr<IDBDatabaseBackendInterface> prpDatabaseBackend, const IDBDatabaseMetadata& metadata, WebKit::WebIDBCallbacks::DataLoss dataLoss)
 {
     IDB_TRACE("IDBOpenDBRequest::onUpgradeNeeded()");
     if (m_contextStopped || !scriptExecutionContext()) {
@@ -103,7 +103,7 @@ void IDBOpenDBRequest::onUpgradeNeeded(int64_t oldVersion, PassRefPtr<IDBDatabas
 
     if (m_version == IDBDatabaseMetadata::NoIntVersion)
         m_version = 1;
-    enqueueEvent(IDBVersionChangeEvent::create(IDBAny::create(oldVersion), IDBAny::create(m_version), eventNames().upgradeneededEvent));
+    enqueueEvent(IDBVersionChangeEvent::create(IDBAny::create(oldVersion), IDBAny::create(m_version), eventNames().upgradeneededEvent, dataLoss));
 }
 
 void IDBOpenDBRequest::onSuccess(PassRefPtr<IDBDatabaseBackendInterface> prpBackend, const IDBDatabaseMetadata& metadata)