Fix compiling of sync on linux.

chrome/browser/sync/engine/auth_watcher.h

 // Copyright (c) 2006-2009 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.
 //
 // AuthWatcher watches authentication events and user open and close
 // events and accordingly opens and closes shares.
 
 #ifndef CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_
 #define CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_
 
@@ skipping 53 matching lines @@
 
   AuthenticationTrigger trigger;
 };
 
 class AuthWatcher {
  public:
   // Normal progression is local -> gaia -> token.
   enum Status { LOCALLY_AUTHENTICATED, GAIA_AUTHENTICATED, NOT_AUTHENTICATED };
   typedef syncable::DirectoryManagerEvent DirectoryManagerEvent;
   typedef syncable::DirectoryManager DirectoryManager;
-  typedef TalkMediator TalkMediator;
 
   AuthWatcher(DirectoryManager* dirman,
               ServerConnectionManager* scm,
               AllStatus* allstatus,
               const std::string& user_agent,
               const std::string& service_id,
               const std::string& gaia_url,
               UserSettings* user_settings,
               GaiaAuthenticator* gaia_auth,
               TalkMediator* talk_mediator);
@@ skipping 110 matching lines @@
   pthread_t thread_;
   bool thread_handle_valid_;
   bool authenticating_now_;
   AuthWatcherEvent::AuthenticationTrigger current_attempt_trigger_;
   DISALLOW_COPY_AND_ASSIGN(AuthWatcher);
 };
 
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_ENGINE_AUTH_WATCHER_H_