Add Bluetooth device type icons on the device list in system tray.

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 <memory>
 #include <string>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "ash/system/user/login_status.h"
 #include "ash/volume_control_delegate.h"
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "base/i18n/time_formatting.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/image/image_skia.h"
 
+#if defined(OS_CHROMEOS)
+#include "device/bluetooth/bluetooth_device.h"
+#endif
+
 class AccountId;
 
 namespace base {
 class TimeDelta;
 class TimeTicks;
 }
 
 namespace ash {
 
 class CustodianInfoTrayObserver;
 class ShutdownPolicyObserver;
 
 struct ASH_EXPORT NetworkIconInfo {
   NetworkIconInfo();
   ~NetworkIconInfo();
 
   bool highlight() const { return connected || connecting; }
 
   bool connecting;
   bool connected;
   bool tray_icon_visible;
   gfx::ImageSkia image;
   base::string16 name;
   base::string16 description;
   std::string service_path;
   bool is_cellular;
 };
 
+#if defined(OS_CHROMEOS)
 struct ASH_EXPORT BluetoothDeviceInfo {
   BluetoothDeviceInfo();
+  BluetoothDeviceInfo(const BluetoothDeviceInfo& other);
   ~BluetoothDeviceInfo();
 
   std::string address;
   base::string16 display_name;
+  device::BluetoothDevice::DeviceType device_type;
   bool connected;
   bool connecting;
   bool paired;
 };
 
 using BluetoothDeviceList = std::vector<BluetoothDeviceInfo>;
+#endif
 
 struct ASH_EXPORT IMEPropertyInfo {
   IMEPropertyInfo();
   ~IMEPropertyInfo();
 
   bool selected;
   std::string key;
   base::string16 name;
 };
 
@@ skipping 262 matching lines @@
   // asynchronously calls |callback| once a trusted policy becomes available.
   virtual void ShouldRebootOnShutdown(const RebootOnShutdownCallback& callback);
 
   // Returns VPNDelegate. May return nullptr.
   virtual VPNDelegate* GetVPNDelegate() const;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_