Revert of bluetooth: Make device/bluetooth a shared library component.

device/bluetooth/bluetooth_socket_thread.h

 // Copyright 2014 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 DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_THREAD_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_THREAD_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
-#include "device/bluetooth/bluetooth_export.h"
 
 namespace base {
 class SequencedTaskRunner;
 class Thread;
 }  // namespace base
 
 namespace device {
 
 // Thread abstraction used by |BluetoothSocketChromeOS| and |BluetoothSocketWin|
 // to perform IO operations on the underlying platform sockets. An instance of
 // this class can be shared by many active sockets.
-class DEVICE_BLUETOOTH_EXPORT BluetoothSocketThread
+class BluetoothSocketThread
     : public base::RefCountedThreadSafe<BluetoothSocketThread> {
  public:
   static scoped_refptr<BluetoothSocketThread> Get();
   static void CleanupForTesting();
 
   void OnSocketActivate();
   void OnSocketDeactivate();
 
   scoped_refptr<base::SequencedTaskRunner> task_runner() const;
 
  private:
   friend class base::RefCountedThreadSafe<BluetoothSocketThread>;
   BluetoothSocketThread();
   virtual ~BluetoothSocketThread();
 
   void EnsureStarted();
 
   base::ThreadChecker thread_checker_;
   int active_socket_count_;
   scoped_ptr<base::Thread> thread_;
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothSocketThread);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_THREAD_H_