Introduce new constructor to PlatformThread.

webrtc/base/sequenced_task_checker_unittest.cc

 /*
  *  Copyright (c) 2016 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.
  */
 
@@ skipping 17 matching lines @@
         thread_(&Run, this, "call_do_stuff_on_thread"),
         sequenced_task_checker_(sequenced_task_checker) {
     thread_.Start();
   }
   ~CallCalledSequentiallyOnThread() {
     EXPECT_TRUE(thread_has_run_event_.Wait(1000));
     thread_.Stop();
   }
 
  private:
-  static bool Run(void* obj) {
+  static void Run(void* obj) {
     CallCalledSequentiallyOnThread* call_stuff_on_thread =
         static_cast<CallCalledSequentiallyOnThread*>(obj);
     EXPECT_EQ(
         call_stuff_on_thread->expect_true_,
         call_stuff_on_thread->sequenced_task_checker_->CalledSequentially());
     call_stuff_on_thread->thread_has_run_event_.Set();
-    return false;
   }
 
   const bool expect_true_;
   Event thread_has_run_event_;
   PlatformThread thread_;
   SequencedTaskChecker* const sequenced_task_checker_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(CallCalledSequentiallyOnThread);
 };
 
@@ skipping 209 matching lines @@
 TEST(SequencedTaskCheckerTest, TestAnnotationsOnWrongQueueDebug) {
   ASSERT_DEATH({ TestAnnotationsOnWrongQueue(); }, "");
 }
 #else
 TEST(SequencedTaskCheckerTest, TestAnnotationsOnWrongQueueRelease) {
   TestAnnotationsOnWrongQueue();
 }
 #endif
 #endif  // GTEST_HAS_DEATH_TEST
 }  // namespace rtc