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

components/scheduler/base/work_queue.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 CONTENT_RENDERER_SCHEDULER_BASE_WORK_QUEUE_H_
 #define CONTENT_RENDERER_SCHEDULER_BASE_WORK_QUEUE_H_
 
+#include <stddef.h>
+
 #include <set>
 
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_argument.h"
 #include "components/scheduler/base/enqueue_order.h"
 #include "components/scheduler/base/task_queue_impl.h"
 #include "components/scheduler/scheduler_export.h"
 
 namespace scheduler {
 namespace internal {
@@ skipping 57 matching lines @@
   WorkQueueSets* work_queue_sets_;  // NOT OWNED.
   TaskQueueImpl* task_queue_;       // NOT OWNED.
   size_t work_queue_set_index_;
   const char* name_;
 };
 
 }  // namespace internal
 }  // namespace scheduler
 
 #endif  // CONTENT_RENDERER_SCHEDULER_BASE_WORK_QUEUE_H_