Bluetooth: clean up BluetoothDevice

ash/system/tray/system_tray_delegate.h

 // Copyright (c) 2012 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 ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 #define ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
 };
 
 struct ASH_EXPORT BluetoothDeviceInfo {
   BluetoothDeviceInfo();
   ~BluetoothDeviceInfo();
 
   std::string address;
   string16 display_name;
   bool connected;
   bool paired;
-  bool visible;
 };
 
 typedef std::vector<BluetoothDeviceInfo> BluetoothDeviceList;
 
 // Structure that packs progress information of each operation.
 struct ASH_EXPORT DriveOperationStatus {
   enum OperationType {
     OPERATION_UPLOAD,
     OPERATION_DOWNLOAD,
     OPERATION_OTHER,
@@ skipping 286 matching lines @@
   // Speaks the given text if spoken feedback is enabled.
   virtual void MaybeSpeak(const std::string& utterance) const = 0;
 
   // Creates a dummy delegate for testing.
   static SystemTrayDelegate* CreateDummyDelegate();
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_