bluetooth: show better error messages for services, characteristics and descriptors

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.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 BluetoothRemoteGATTCharacteristic_h
 #define BluetoothRemoteGATTCharacteristic_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMArrayPiece.h"
@@ skipping 100 matching lines @@
                           const Vector<uint8_t>& value,
                           mojom::blink::WebBluetoothResult);
   void NotificationsCallback(ScriptPromiseResolver*,
                              mojom::blink::WebBluetoothResult);
 
   ScriptPromise getDescriptorsImpl(ScriptState*,
                                    mojom::blink::WebBluetoothGATTQueryQuantity,
                                    const String& descriptorUUID = String());
 
   void GetDescriptorsCallback(
+      const String& requestedDescriptorUUID,
       const String& characteristicInstanceId,
       mojom::blink::WebBluetoothGATTQueryQuantity,
       ScriptPromiseResolver*,
       mojom::blink::WebBluetoothResult,
       Optional<Vector<mojom::blink::WebBluetoothRemoteGATTDescriptorPtr>>
           descriptors);
 
+  DOMException* createInvalidCharacteristicError();
+
   mojom::blink::WebBluetoothRemoteGATTCharacteristicPtr m_characteristic;
   Member<BluetoothRemoteGATTService> m_service;
   bool m_stopped;
   Member<BluetoothCharacteristicProperties> m_properties;
   Member<DOMDataView> m_value;
   Member<BluetoothDevice> m_device;
 };
 
 }  // namespace blink
 
 #endif  // BluetoothRemoteGATTCharacteristic_h