Add bluetooth device type icons on MD system tray.

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
index 48226999bfcb2c3f01fa61b05cba1741fd8a9f83..c2b51e0ba227726942e50ae423df06df3b25cd0d 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -511,6 +511,7 @@ void SystemTrayDelegateChromeOS::GetAvailableBluetoothDevices(
     info.connected = device->IsConnected();
     info.connecting = device->IsConnecting();
     info.paired = device->IsPaired();
+    info.device_type = device->GetDeviceType();
     list->push_back(info);
   }
 }