Switch to standard integer types in components/, part 3 of 4.

components/scheduler/base/test_always_fail_time_source.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 COMPONENTS_SCHEDULER_BASE_TEST_ALWAYS_FAIL_TIME_SOURCE_H_
 #define COMPONENTS_SCHEDULER_BASE_TEST_ALWAYS_FAIL_TIME_SOURCE_H_
 
+#include "base/macros.h"
 #include "base/time/tick_clock.h"
 
 namespace scheduler {
 
 class TestAlwaysFailTimeSource : public base::TickClock {
  public:
   explicit TestAlwaysFailTimeSource();
   ~TestAlwaysFailTimeSource() override;
 
   base::TimeTicks NowTicks() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestAlwaysFailTimeSource);
 };
 
 }  // namespace scheduler
 
 #endif  // COMPONENTS_SCHEDULER_BASE_TEST_ALWAYS_FAIL_TIME_SOURCE_H_