Keep IPC related state as long as readDirectory returns has_more==true

content/child/fileapi/file_system_dispatcher.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/child/fileapi/file_system_dispatcher.h"
 
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/process/process.h"
@@ skipping 372 matching lines @@
   dispatchers_.Remove(request_id);
 }
 
 void FileSystemDispatcher::OnDidReadDirectory(
     int request_id,
     const std::vector<fileapi::DirectoryEntry>& entries,
     bool has_more) {
   CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
   dispatcher->DidReadDirectory(entries, has_more);
-  dispatchers_.Remove(request_id);
+  if (!has_more)
+    dispatchers_.Remove(request_id);
 }
 
 void FileSystemDispatcher::OnDidFail(
     int request_id, base::File::Error error_code) {
   CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
   dispatcher->DidFail(error_code);
   dispatchers_.Remove(request_id);
 }
 
@@ skipping 13 matching lines @@
     quota::QuotaLimitType quota_policy) {
   CallbackDispatcher* dispatcher = dispatchers_.Lookup(request_id);
   DCHECK(dispatcher);
   dispatcher->DidOpenFile(IPC::PlatformFileForTransitToPlatformFile(file),
                           file_open_id,
                           quota_policy);
   dispatchers_.Remove(request_id);
 }
 
 }  // namespace content