[IndexedDB] Mojo testing harness.

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/files/file_path.h"
 #include "base/guid.h"
 #include "base/memory/ptr_util.h"
@@ skipping 66 matching lines @@
       blob_storage_context_(std::move(blob_storage_context)),
       idb_runner_(indexed_db_context_->TaskRunner()),
       ipc_process_id_(ipc_process_id),
       weak_factory_(this) {
   // Can be null in unittests.
   idb_helper_ = idb_runner_
                     ? new IDBThreadHelper(ipc_process_id_,
                                           std::move(request_context_getter),
                                           indexed_db_context_)
                     : nullptr;
+  DCHECK(idb_helper_);
   DCHECK(indexed_db_context_.get());
 }
 
 IndexedDBDispatcherHost::~IndexedDBDispatcherHost() {
   if (idb_helper_)
     idb_runner_->DeleteSoon(FROM_HERE, idb_helper_);
 }
 
 void IndexedDBDispatcherHost::AddBinding(
     ::indexed_db::mojom::FactoryAssociatedRequest request) {
@@ skipping 180 matching lines @@
   DCHECK(indexed_db_context_->TaskRunner()->RunsTasksOnCurrentThread());
 
   base::FilePath indexed_db_path = indexed_db_context_->data_path();
   DCHECK(request_context_getter_);
   indexed_db_context_->GetIDBFactory()->DeleteDatabase(
       name, request_context_getter_, callbacks, origin, indexed_db_path,
       force_close);
 }
 
 }  // namespace content