Upating the app, ceee, chrome, ipc, media, and net directories to use the correct lock.h file.

remoting/host/chromoting_host.h

 // Copyright (c) 2010 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.
 
 #ifndef REMOTING_CHROMOTING_HOST_H_
 #define REMOTING_CHROMOTING_HOST_H_
 
 #include <string>
 
 #include "base/threading/thread.h"
@@ skipping 156 matching lines @@
   // This task gets executed when this object fails to connect to the
   // talk network or Shutdown() is called.
   scoped_ptr<Task> shutdown_task_;
 
   // Tracks the internal state of the host.
   // This variable is written on the main thread of ChromotingHostContext
   // and read by jingle thread.
   State state_;
 
   // Lock is to lock the access to |state_|.
-  Lock lock_;
+  base::Lock lock_;
 
   // Configuration of the protocol.
   scoped_ptr<protocol::CandidateSessionConfig> protocol_config_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingHost);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CHROMOTING_HOST_H_