Add bluetooth device type icons on MD system tray.

ash/common/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_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 #define ASH_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "ash/common/login_status.h"
 #include "ash/common/system/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"
 
 class AccountId;
 
 namespace base {
 class TimeDelta;
 class TimeTicks;
 }
 
+namespace device {
+enum class BluetoothDeviceType;
+}
+
 namespace ash {
 struct IMEInfo;
 struct IMEPropertyInfo;
 
 class CustodianInfoTrayObserver;
 class ShutdownPolicyObserver;
 class SystemTray;
 class SystemTrayItem;
 
 using IMEInfoList = std::vector<IMEInfo>;
@@ skipping 10 matching lines @@
   bool tray_icon_visible;
   gfx::ImageSkia image;
   base::string16 name;
   base::string16 description;
   std::string service_path;
   bool is_cellular;
 };
 
 struct ASH_EXPORT BluetoothDeviceInfo {
   BluetoothDeviceInfo();
+  BluetoothDeviceInfo(const BluetoothDeviceInfo& other);
   ~BluetoothDeviceInfo();
 
   std::string address;
   base::string16 display_name;
   bool connected;
   bool connecting;
   bool paired;
+  device::BluetoothDeviceType device_type;
 };
 
 using BluetoothDeviceList = std::vector<BluetoothDeviceInfo>;
 
 struct ASH_EXPORT UpdateInfo {
   enum UpdateSeverity {
     UPDATE_NONE,
     UPDATE_LOW,
     UPDATE_ELEVATED,
     UPDATE_HIGH,
@@ skipping 195 matching lines @@
   // Creates a system tray item for display rotation lock.
   // TODO(jamescook): Remove this when mus has support for display management
   // and we have a DisplayManager equivalent. See http://crbug.com/548429
   virtual std::unique_ptr<SystemTrayItem> CreateRotationLockTrayItem(
       SystemTray* tray);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SYSTEM_TRAY_SYSTEM_TRAY_DELEGATE_H_