bluetooth: Invalidate characteristics when disconnecting

third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.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 BluetoothDevice_h
 #define BluetoothDevice_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "modules/EventTargetModules.h"
@@ skipping 39 matching lines @@
 
   BluetoothRemoteGATTService* getOrCreateBluetoothRemoteGATTService(
       std::unique_ptr<WebBluetoothRemoteGATTService>);
   bool isValidService(const String& serviceInstanceId);
 
   BluetoothRemoteGATTCharacteristic*
   getOrCreateBluetoothRemoteGATTCharacteristic(
       ExecutionContext*,
       std::unique_ptr<WebBluetoothRemoteGATTCharacteristicInit>,
       BluetoothRemoteGATTService*);
+  bool isValidCharacteristic(const String& characteristicInstanceId);
 
   // We should disconnect from the device in all of the following cases:
   // 1. When the object gets GarbageCollected e.g. it went out of scope.
   // dispose() is called in this case.
   // 2. When the parent document gets detached e.g. reloading a page.
   // stop() is called in this case.
   // TODO(ortuno): Users should be able to turn on notifications for
   // events on navigator.bluetooth and still remain connected even if the
   // BluetoothDevice object is garbage collected.
 
@@ skipping 35 matching lines @@
   // Holds all GATT Attributes associated with this BluetoothDevice.
   Member<BluetoothAttributeInstanceMap> m_attributeInstanceMap;
 
   std::unique_ptr<WebBluetoothDeviceInit> m_webDevice;
   Member<BluetoothRemoteGATTServer> m_gatt;
 };
 
 }  // namespace blink
 
 #endif  // BluetoothDevice_h