arc: bluetooth: Send update to Android when got DeviceChanged event

components/arc/bluetooth/arc_bluetooth_bridge.h

Index: components/arc/bluetooth/arc_bluetooth_bridge.h
diff --git a/components/arc/bluetooth/arc_bluetooth_bridge.h b/components/arc/bluetooth/arc_bluetooth_bridge.h
index de365c2e166e57b74a0cb422e41eb482f9a17333..f3a3c66d0e6b64e0fd4b1376542ae1e0319bcf3e 100644
--- a/components/arc/bluetooth/arc_bluetooth_bridge.h
+++ b/components/arc/bluetooth/arc_bluetooth_bridge.h
@@ -333,11 +333,11 @@ class ArcBluetoothBridge
  private:
   mojo::Array<mojom::BluetoothPropertyPtr> GetDeviceProperties(
       mojom::BluetoothPropertyType type,
-      device::BluetoothDevice* device) const;
+      const device::BluetoothDevice* device) const;
   mojo::Array<mojom::BluetoothPropertyPtr> GetAdapterProperties(
       mojom::BluetoothPropertyType type) const;
   mojo::Array<mojom::BluetoothAdvertisingDataPtr> GetAdvertisingData(
-      device::BluetoothDevice* device) const;
+      const device::BluetoothDevice* device) const;
 
   void SendCachedDevicesFound() const;
 
@@ -428,6 +428,8 @@ class ArcBluetoothBridge
   // or return false if the advertisement map is full.
   bool GetAdvertisementHandle(int32_t* adv_handle);
 
+  void SendDevice(const device::BluetoothDevice* device) const;
+
   bool CalledOnValidThread();
 
   mojo::Binding<mojom::BluetoothHost> binding_;