bluetooth: Invalidate services upon disconnection

third_party/WebKit/Source/modules/bluetooth/BluetoothAttributeInstanceMap.cpp

 // Copyright 2016 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.
 
 #include "modules/bluetooth/BluetoothAttributeInstanceMap.h"
 
 #include "modules/bluetooth/BluetoothDevice.h"
 #include "modules/bluetooth/BluetoothRemoteGATTService.h"
 #include "public/platform/modules/bluetooth/WebBluetoothRemoteGATTService.h"
 #include <memory>
@@ skipping 15 matching lines @@
 
   if (!service) {
     service =
         new BluetoothRemoteGATTService(std::move(webService), m_device.get());
     m_serviceIdToObject.add(serviceInstanceId, service);
   }
 
   return service;
 }
 
+bool BluetoothAttributeInstanceMap::containsService(
+    const String& serviceInstanceId) {
+  return m_serviceIdToObject.contains(serviceInstanceId);
+}
+
+void BluetoothAttributeInstanceMap::Clear() {
+  m_serviceIdToObject.clear();
+}
+
 DEFINE_TRACE(BluetoothAttributeInstanceMap) {
   visitor->trace(m_device);
   visitor->trace(m_serviceIdToObject);
 }
 
 }  // namespace blink