components/bookmarks/browser/startup_task_runner_service.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/bookmarks/browser/startup_task_runner_service.h"
   6
   7 #include "base/deferred_sequenced_task_runner.h"
   8 #include "base/logging.h"
   9 #include "base/sequenced_task_runner.h"
  10
  11 namespace bookmarks {
  12
  13 StartupTaskRunnerService::StartupTaskRunnerService(
  14     const scoped_refptr<base::SequencedTaskRunner>& io_task_runner)
  15     : io_task_runner_(io_task_runner) {
  16   DCHECK(io_task_runner_);
  17 }
  18
  19 StartupTaskRunnerService::~StartupTaskRunnerService() {
  20 }
  21
  22 scoped_refptr<base::DeferredSequencedTaskRunner>
  23     StartupTaskRunnerService::GetBookmarkTaskRunner() {
  24   DCHECK(CalledOnValidThread());
  25   if (!bookmark_task_runner_) {
  26     bookmark_task_runner_ =
  27         new base::DeferredSequencedTaskRunner(io_task_runner_);
  28   }
  29   return bookmark_task_runner_;
  30 }
  31
  32 void StartupTaskRunnerService::StartDeferredTaskRunners() {
  33   GetBookmarkTaskRunner()->Start();
  34 }
  35
  36 }  // namespace bookmarks