Replace test_support_main by test_main and get rid of test_support_main_threaded_mac

webrtc/test/test_suite.h

-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_TEST_TEST_SUITE_H_
-#define WEBRTC_TEST_TEST_SUITE_H_
-
-// Derived from Chromium's src/base/test/test_suite.h.
-
-// Defines a basic test suite framework for running gtest based tests.  You can
-// instantiate this class in your main function and call its Run method to run
-// any gtest based tests that are linked into your executable.
-
-#include <memory>
-
-#include "webrtc/base/constructormagic.h"
-
-namespace webrtc {
-namespace test {
-
-class TraceToStderr;
-
-class TestSuite {
- public:
-  TestSuite(int argc, char** argv);
-  virtual ~TestSuite();
-
-  int Run();
-
- protected:
-  // Override these for custom initialization and shutdown handling.  Use these
-  // instead of putting complex code in your constructor/destructor.
-  virtual void Initialize();
-  virtual void Shutdown();
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(TestSuite);
-
- private:
-  std::unique_ptr<TraceToStderr> trace_to_stderr_;
-};
-
-}  // namespace test
-}  // namespace webrtc
-
-#endif  // TEST_TEST_SUITE_H_