Implement WebBluetooth getDescriptor[s]

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

Index: third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp
diff --git a/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..618615d1e69d4d7c1e0d34281def4de20cc203dd
--- /dev/null
+++ b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTDescriptor.cpp
@@ -0,0 +1,44 @@
+// 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/BluetoothRemoteGATTDescriptor.h"
+
+#include "core/dom/DOMException.h"
+#include "modules/bluetooth/BluetoothRemoteGATTService.h"
+
+namespace blink {
+
+BluetoothRemoteGATTDescriptor::BluetoothRemoteGATTDescriptor(
+    std::unique_ptr<WebBluetoothRemoteGATTDescriptorInit> webDescriptor,
+    BluetoothRemoteGATTCharacteristic* characteristic)
+    : m_webDescriptor(std::move(webDescriptor)),
+      m_characteristic(characteristic) {}
+
+ScriptPromise BluetoothRemoteGATTDescriptor::readValue(
+    ScriptState* scriptState) {
+  // TODO(668837): Implement WebBluetooth descriptor.readValue()
+  return ScriptPromise::rejectWithDOMException(
+      scriptState,
+      DOMException::create(NotSupportedError,
+                           "descriptor readValue is not implemented "
+                           "yet. See https://goo.gl/J6ASzs"));
+}
+
+ScriptPromise BluetoothRemoteGATTDescriptor::writeValue(
+    ScriptState* scriptState,
+    const DOMArrayPiece& value) {
+  // TODO(668838): Implement WebBluetooth descriptor.writeValue()
+  return ScriptPromise::rejectWithDOMException(
+      scriptState,
+      DOMException::create(NotSupportedError,
+                           "descriptor writeValue is not implemented "
+                           "yet. See https://goo.gl/J6ASzs"));
+}
+
+DEFINE_TRACE(BluetoothRemoteGATTDescriptor) {
+  visitor->trace(m_characteristic);
+  visitor->trace(m_value);
+}
+
+}  // namespace blink