Switch to standard integer types in components/, part 2 of 4.

components/mus/common/transient_window_utils.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_MUS_COMMON_TRANSIENT_WINDOW_UTILS_H_
 #define COMPONENTS_MUS_COMMON_TRANSIENT_WINDOW_UTILS_H_
 
+#include <stddef.h>
+
 #include <vector>
 
 #include "components/mus/public/interfaces/mus_constants.mojom.h"
 
 namespace mus {
 
 // Returns true if |window| has |ancestor| as a transient ancestor. A transient
 // ancestor is found by following the transient parent chain of the window.
 template <class T>
 bool HasTransientAncestor(const T* window, const T* ancestor) {
@@ skipping 97 matching lines @@
       T* old_stacking_target = *GetStackingTarget(*it);
       *GetStackingTarget(*it) = window;
       Reorder(*it, window, mojom::ORDER_DIRECTION_ABOVE);
       *GetStackingTarget(*it) = old_stacking_target;
     }
   }
 }
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_COMMON_TRANSIENT_WINDOW_UTILS_H_