Reverting 27117.

chrome/browser/sync/engine/syncer_thread_timed_stop.h

-// Copyright (c) 2009 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.
-//
-// A class to run the syncer on a thread.  This guy is the closest chrome-based
-// (as opposed to pthreads based) SyncerThread to the old pthread implementation
-// in semantics, as it supports a timeout on Stop() -- It is just an override of
-// two methods from SyncerThread: ThreadMain and Stop -- to provide this.
-#ifndef CHROME_BROWSER_SYNC_ENGINE_SYNCER_THREAD_TIMED_STOP_H_
-#define CHROME_BROWSER_SYNC_ENGINE_SYNCER_THREAD_TIMED_STOP_H_
-
-#include <list>
-#include <map>
-#include <queue>
-#include <vector>
-
-#include "chrome/browser/sync/engine/syncer_thread.h"
-
-namespace browser_sync {
-
-class SyncerThreadTimedStop : public SyncerThread {
-  FRIEND_TEST(SyncerThreadTest, CalculateSyncWaitTime);
-  FRIEND_TEST(SyncerThreadTest, CalculatePollingWaitTime);
-  FRIEND_TEST(SyncerThreadWithSyncerTest, Polling);
-  FRIEND_TEST(SyncerThreadWithSyncerTest, Nudge);
-  friend class SyncerThreadWithSyncerTest;
-  friend class SyncerThreadFactory;
- public:
-  virtual ~SyncerThreadTimedStop() {}
-
-  // Stop processing.  This version comes with a supported max_wait.
-  // A max wait of at least 2*server RTT time is recommended.
-  // Returns true if we stopped, false otherwise.
-  virtual bool Stop(int max_wait);
-
- private:
-  SyncerThreadTimedStop(ClientCommandChannel* command_channel,
-      syncable::DirectoryManager* mgr,
-      ServerConnectionManager* connection_manager, AllStatus* all_status,
-      ModelSafeWorker* model_safe_worker);
-  virtual void ThreadMain();
-
-  // We use this to track when our synthesized thread loop is active, so we can
-  // timed-wait for it to become false.  For this and only this (temporary)
-  // implementation, we protect this variable using our parent lock_.
-  bool in_thread_main_loop_;
-
-  DISALLOW_COPY_AND_ASSIGN(SyncerThreadTimedStop);
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_ENGINE_SYNCER_THREAD_TIMED_STOP_H_