IndexedDBFactory now ForceCloses databases.

content/browser/indexed_db/indexed_db_database.cc

Index: content/browser/indexed_db/indexed_db_database.cc
diff --git a/content/browser/indexed_db/indexed_db_database.cc b/content/browser/indexed_db/indexed_db_database.cc
index ba53e662159375769f86f070d8fec6f560022555..3f7f98a947157119f6ec73f7a5ce9dfcc02b6e9c 100644
--- a/content/browser/indexed_db/indexed_db_database.cc
+++ b/content/browser/indexed_db/indexed_db_database.cc
@@ -1589,6 +1589,17 @@ void IndexedDBDatabase::DeleteDatabaseFinal(
     factory_->DatabaseDeleted(identifier_);
 }
 
+void IndexedDBDatabase::ForceClose() {
+  // IndexedDBConnection::ForceClose() may delete this database, so hold ref.
+  scoped_refptr<IndexedDBDatabase> protect(this);
+  ConnectionSet::const_iterator it = connections_.begin();
+  while (it != connections_.end()) {
+    IndexedDBConnection* connection = *it++;
+    connection->ForceClose();
+  }
+  DCHECK(connections_.empty());
+}
+
 void IndexedDBDatabase::Close(IndexedDBConnection* connection, bool forced) {
   DCHECK(connections_.count(connection));
   DCHECK(connection->IsConnected());