Implement the gattserverdisconnected event.

content/renderer/bluetooth/web_bluetooth_impl.h

 // Copyright 2014 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 CONTENT_RENDERER_BLUETOOTH_WEB_BLUETOOTH_IMPL_H_
 #define CONTENT_RENDERER_BLUETOOTH_WEB_BLUETOOTH_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 30 matching lines @@
                    ThreadSafeSender* thread_safe_sender,
                    int frame_routing_id);
   ~WebBluetoothImpl() override;
 
   // blink::WebBluetooth interface:
   void requestDevice(
       const blink::WebRequestDeviceOptions& options,
       blink::WebBluetoothRequestDeviceCallbacks* callbacks) override;
   void connect(
       const blink::WebString& device_id,
+      blink::WebBluetoothDevice* device,
       blink::WebBluetoothRemoteGATTServerConnectCallbacks* callbacks) override;
   void disconnect(const blink::WebString& device_id) override;
   void getPrimaryService(
       const blink::WebString& device_id,
       const blink::WebString& service_uuid,
       blink::WebBluetoothGetPrimaryServiceCallbacks* callbacks) override;
   void getCharacteristics(
       const blink::WebString& service_instance_id,
       blink::mojom::WebBluetoothGATTQueryQuantity quantity,
       const blink::WebString& characteristics_uuid,
@@ skipping 15 matching lines @@
   void registerCharacteristicObject(
       const blink::WebString& characteristic_instance_id,
       blink::WebBluetoothRemoteGATTCharacteristic* characteristic) override;
 
  private:
   struct GetCharacteristicsCallback;
   // WebBluetoothServiceClient methods:
   void RemoteCharacteristicValueChanged(
       const mojo::String& characteristic_instance_id,
       mojo::Array<uint8_t> value) override;
+  void GattServerDisconnected(const mojo::String& device_id) override;
 
   // Callbacks for WebBluetoothService calls:
   void OnConnectComplete(
       std::unique_ptr<blink::WebBluetoothRemoteGATTServerConnectCallbacks>
           callbacks,
       blink::mojom::WebBluetoothError error);
   void OnGetPrimaryServiceComplete(
       const blink::WebString& device_id,
       std::unique_ptr<blink::WebBluetoothGetPrimaryServiceCallbacks> callbacks,
       blink::mojom::WebBluetoothError error,
@@ skipping 28 matching lines @@
   ServiceRegistry* const service_registry_;
   blink::mojom::WebBluetoothServicePtr web_bluetooth_service_;
 
   // Map of characteristic_instance_ids to
   // WebBluetoothRemoteGATTCharacteristics. When characteristicObjectRemoved is
   // called the characteristic should be removed from the map.
   // Keeps track of what characteristics have listeners.
   std::unordered_map<std::string, blink::WebBluetoothRemoteGATTCharacteristic*>
       active_characteristics_;
 
+  // Map of device_ids to WebBluetoothDevices. Added in connect() and removed in
+  // disconnect(). This means a device may not actually be connected while in
+  // this map, but that it will definitely be removed when the page navigates.
+  std::unordered_map<std::string, blink::WebBluetoothDevice*>
+      connected_devices_;
+
   // Binding associated with |web_bluetooth_service_|.
   mojo::AssociatedBinding<blink::mojom::WebBluetoothServiceClient> binding_;
 
   const scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   const int frame_routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(WebBluetoothImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_BLUETOOTH_WEB_BLUETOOTH_IMPL_H_