Make iterating over a corrupted IndexedDB fail.

content/browser/indexed_db/indexed_db_dispatcher_host.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/process/process.h"
@@ skipping 854 matching lines @@
     int32 ipc_cursor_id,
     int used_prefetches,
     int unused_prefetches) {
   DCHECK(
       parent_->indexed_db_context_->TaskRunner()->RunsTasksOnCurrentThread());
   IndexedDBCursor* idb_cursor =
       parent_->GetOrTerminateProcess(&map_, ipc_cursor_id);
   if (!idb_cursor)
     return;
 
-  idb_cursor->PrefetchReset(used_prefetches, unused_prefetches);
+  leveldb::Status s =
+      idb_cursor->PrefetchReset(used_prefetches, unused_prefetches);
+  if (s.ok())

[jsbell, 2014/04/14 20:44:20]

This test seems backwards?

[cmumford, 2014/04/14 23:39:23]

You are correct - thx!

+    DLOG(ERROR) << "Unable to reset prefetch";

[jsbell, 2014/04/14 20:44:20]

Should there be a TODO to do more here?

[cmumford, 2014/04/14 23:39:23]

Done.

 }
 
 void IndexedDBDispatcherHost::CursorDispatcherHost::OnDestroyed(
     int32 ipc_object_id) {
   DCHECK(
       parent_->indexed_db_context_->TaskRunner()->RunsTasksOnCurrentThread());
   parent_->DestroyObject(&map_, ipc_object_id);
 }
 
 }  // namespace content