bluetooth: Add disconnect function

content/browser/bluetooth/bluetooth_allowed_devices_map.h

 // Copyright 2015 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_BROWSER_BLUETOOTH_BLUETOOTH_ALLOWED_DEVICES_MAP_
 #define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_ALLOWED_DEVICES_MAP_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 46 matching lines @@
   // Returns the Bluetooth Device's address from |device_id_for_origin|. Returns
   // an empty string if the origin is not allowed to access the device.
   const std::string& GetDeviceAddress(const url::Origin& origin,
                                       const std::string& device_id);
 
  private:
   typedef std::map<std::string, std::string> DeviceAddressToIdMap;
   typedef std::map<std::string, std::string> DeviceIdToAddressMap;
   typedef std::map<std::string, std::set<std::string>> DeviceIdToServicesMap;
 
-  // Returns an id guaranteed to be unique for the origin. The id is randomly
+  // Returns an id guaranteed to be unique for the map. The id is randomly
   // generated so that an origin can't guess the ID used in another origin.
   std::string GenerateDeviceId(const url::Origin& origin);
   std::set<std::string> UnionOfServices(
       const std::vector<BluetoothScanFilter>& filters,
       const std::vector<device::BluetoothUUID>& optional_services);
 
   std::map<url::Origin, DeviceAddressToIdMap>
       origin_to_device_address_to_id_map_;
   std::map<url::Origin, DeviceIdToAddressMap>
       origin_to_device_id_to_address_map_;
   std::map<url::Origin, DeviceIdToServicesMap>
       origin_to_device_id_to_services_map_;
+
+  // Keep track of all device_ids in the map.
+  std::set<std::string> device_id_set_;
 };
 
 }  //  namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_ALLOWED_DEVICES_MAP_