Tell IDB frontend about data loss

content/browser/indexed_db/indexed_db_callbacks_wrapper.cc

Index: content/browser/indexed_db/indexed_db_callbacks_wrapper.cc
diff --git a/content/browser/indexed_db/indexed_db_callbacks_wrapper.cc b/content/browser/indexed_db/indexed_db_callbacks_wrapper.cc
index 3baea3e04934925969a28f499922305015680a29..6cb5a7bc28b632c3085cb4bbbef39ce13c3420de 100644
--- a/content/browser/indexed_db/indexed_db_callbacks_wrapper.cc
+++ b/content/browser/indexed_db/indexed_db_callbacks_wrapper.cc
@@ -114,13 +114,15 @@ void IndexedDBCallbacksWrapper::OnBlocked(int64 existing_version) {
 void IndexedDBCallbacksWrapper::OnUpgradeNeeded(
     int64 old_version,
     scoped_refptr<IndexedDBDatabase> database,
-    const IndexedDBDatabaseMetadata& metadata) {
+    const IndexedDBDatabaseMetadata& metadata,
+    bool data_loss) {
   DCHECK(callbacks_);
   did_create_proxy_ = true;
   callbacks_->onUpgradeNeeded(
       old_version,
       new WebIDBDatabaseImpl(database, database_callbacks_),
-      metadata);
+      metadata,
+      data_loss);
   database_callbacks_ = NULL;
 }