Implement WebBluetooth descriptor.writeValue()

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.h

 // 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.
 
 #ifndef BluetoothRemoteGATTDescriptor_h
 #define BluetoothRemoteGATTDescriptor_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/DOMArrayPiece.h"
 #include "core/dom/DOMDataView.h"
 #include "modules/EventTargetModules.h"
+#include "modules/bluetooth/Bluetooth.h"
 #include "modules/bluetooth/BluetoothRemoteGATTCharacteristic.h"
 #include "modules/bluetooth/BluetoothRemoteGATTService.h"
 #include "platform/heap/Handle.h"
 #include "wtf/text/WTFString.h"
 #include <memory>
 
 namespace blink {
 
 class BluetoothRemoteGATTCharacteristic;
 class ScriptPromise;
@@ skipping 25 matching lines @@
   ScriptPromise readValue(ScriptState*);
   ScriptPromise writeValue(ScriptState*, const DOMArrayPiece&);
 
   // Interface required by garbage collection.
   DECLARE_VIRTUAL_TRACE();
 
  private:
   friend class DescriptorReadValueCallback;
 
   BluetoothRemoteGATTServer* getGatt() { return m_characteristic->getGatt(); }
+  mojom::blink::WebBluetoothService* getService() {
+    return m_characteristic->m_device->bluetooth()->service();
+  }
 
   void ReadValueCallback(ScriptPromiseResolver*,
                          mojom::blink::WebBluetoothResult,
                          const Optional<Vector<uint8_t>>&);
 
+  void WriteValueCallback(ScriptPromiseResolver*,
+                          const Vector<uint8_t>&,
+                          mojom::blink::WebBluetoothResult);
+
   mojom::blink::WebBluetoothRemoteGATTDescriptorPtr m_descriptor;
   Member<BluetoothRemoteGATTCharacteristic> m_characteristic;
   Member<DOMDataView> m_value;
 };
 
 }  // namespace blink
 
 #endif  // BluetoothRemoteGATTDescriptor_h