Switch to standard integer types in base/memory/.

base/memory/discardable_shared_memory.h

 // Copyright 2014 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 BASE_MEMORY_DISCARDABLE_SHARED_MEMORY_H_
 #define BASE_MEMORY_DISCARDABLE_SHARED_MEMORY_H_
 
+#include <stddef.h>
+
 #include "base/base_export.h"
 #include "base/logging.h"
+#include "base/macros.h"
 #include "base/memory/shared_memory.h"
 #include "base/threading/thread_collision_warner.h"
 #include "base/time/time.h"
+#include "build/build_config.h"
 
 #if DCHECK_IS_ON()
 #include <set>
 #endif
 
 // Linux (including Android) support the MADV_REMOVE argument with madvise()
 // which has the behavior of reliably causing zero-fill-on-demand pages to
 // be returned after a call. Here we define
 // DISCARDABLE_SHARED_MEMORY_ZERO_FILL_ON_DEMAND_PAGES_AFTER_PURGE on Linux
 // and Android to indicate that this type of behavior can be expected on
@@ skipping 120 matching lines @@
   // synchronized somehow. Use a collision warner to detect incorrect usage.
   DFAKE_MUTEX(thread_collision_warner_);
   Time last_known_usage_;
 
   DISALLOW_COPY_AND_ASSIGN(DiscardableSharedMemory);
 };
 
 }  // namespace base
 
 #endif  // BASE_MEMORY_DISCARDABLE_SHARED_MEMORY_H_