scheduler: Add a base directory

components/scheduler/base/lazy_now.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_CHILD_LAZY_NOW_H_
-#define COMPONENTS_SCHEDULER_CHILD_LAZY_NOW_H_
+#ifndef COMPONENTS_SCHEDULER_BASE_LAZY_NOW_H_
+#define COMPONENTS_SCHEDULER_BASE_LAZY_NOW_H_
 
 #include "base/time/time.h"
 
 namespace scheduler {
 class TaskQueueManager;
 
 namespace internal {
 
 // Now() is somewhat expensive so it makes sense not to call Now() unless we
 // really need to.
@@ skipping 10 matching lines @@
   base::TimeTicks Now();
 
  private:
   TaskQueueManager* task_queue_manager_;  // NOT OWNED
   base::TimeTicks now_;
 };
 
 }  // namespace internal
 }  // namespace scheduler
 
-#endif  // COMPONENTS_SCHEDULER_CHILD_LAZY_NOW_H_
+#endif  // COMPONENTS_SCHEDULER_BASE_LAZY_NOW_H_