The first 3 BluetoothTest.* unit tests now running on Mac as well.

device/bluetooth/test/bluetooth_test_mac.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 DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_MAC_H_
+#define DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_MAC_H_
+
+#include "base/test/test_simple_task_runner.h"
+#include "device/bluetooth/test/bluetooth_test.h"
+
+namespace device {
+
+class BluetoothAdapterMac;
+
+// Mac implementation of BluetoothTestBase.
+class BluetoothTestMac : public BluetoothTestBase {
+ public:
+  BluetoothTestMac();
+  ~BluetoothTestMac() override;
+
+  // Test overrides:
+  void SetUp() override;
+
+  // BluetoothTestBase overrides:
+  void InitWithDefaultAdapter() override;
+  void InitWithoutDefaultAdapter() override;
+  void InitWithFakeAdapter() override;
+
+ protected:
+  BluetoothAdapterMac* adapter_mac_ = NULL;
+};
+
+// Defines common test fixture name. Use TEST_F(BluetoothTest, YourTestName).
+typedef BluetoothTestMac BluetoothTest;
+
+}  // namespace device
+
+#endif  // DEVICE_BLUETOOTH_TEST_BLUETOOTH_TEST_MAC_H_