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..2067ba6f6818149e32759c68957a6a12f51075d4 100644
--- a/content/browser/indexed_db/indexed_db_database.cc
+++ b/content/browser/indexed_db/indexed_db_database.cc
@@ -1589,6 +1589,13 @@ void IndexedDBDatabase::DeleteDatabaseFinal(
     factory_->DatabaseDeleted(identifier_);
 }
 
+void IndexedDBDatabase::ForceClose() {
+  // IndexedDBConnection::ForceClose() may delete this database, so hold ref.
+  scoped_refptr<IndexedDBDatabase> protect(this);
+  while (!connections_.empty())

[jsbell, 2014/01/06 22:33:50]

If we ever break IndexedDBConnect::ForceClose() so it doesn't remove the
connection, this would hang unhelpfully. Maybe change to iterating and then
DCHECK that connections_ is empty?

[cmumford, 2014/01/09 00:48:25]

Done.

+    (*connections_.begin())->ForceClose();
+}
+
 void IndexedDBDatabase::Close(IndexedDBConnection* connection, bool forced) {
   DCHECK(connections_.count(connection));
   DCHECK(connection->IsConnected());