DO NOT SUBMIT. Renderer side of Bluetooth Test API in blink C++

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

+// Copyright 2017 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/BluetoothFakeBluetooth.h"
+
+#include "modules/bluetooth/Bluetooth.h"
+#include "modules/bluetooth/FakeBluetooth.h"
+
+namespace blink {
+
+BluetoothFakeBluetooth& BluetoothFakeBluetooth::from(Bluetooth& bluetooth) {
+  BluetoothFakeBluetooth* supplement = static_cast<BluetoothFakeBluetooth*>(
+      Supplement<Bluetooth>::from(bluetooth, supplementName()));
+
+  if (!supplement) {
+    supplement = new BluetoothFakeBluetooth(bluetooth);
+    provideTo(bluetooth, supplementName(), supplement);
+  }
+  return *supplement;
+}
+
+FakeBluetooth* BluetoothFakeBluetooth::test(Bluetooth& bluetooth) {
+  return BluetoothFakeBluetooth::from(bluetooth).test();
+}
+
+FakeBluetooth* BluetoothFakeBluetooth::test() {
+  if (!m_test)
+    m_test = FakeBluetooth::create();
+  return m_test.get();
+}
+
+DEFINE_TRACE(BluetoothFakeBluetooth) {
+  visitor->trace(m_test);
+  Supplement<Bluetooth>::trace(visitor);
+}
+
+BluetoothFakeBluetooth::BluetoothFakeBluetooth(Bluetooth& bluetooth)
+    : Supplement<Bluetooth>(bluetooth) {
+}
+
+const char* BluetoothFakeBluetooth::supplementName() {
+  return "BluetoothFakeBluetooth";
+}
+
+}  // namespace blink