Switch to standard integer types in base/memory/.

base/memory/shared_memory_handle.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 BASE_MEMORY_SHARED_MEMORY_HANDLE_H_
 #define BASE_MEMORY_SHARED_MEMORY_HANDLE_H_
 
+#include <stddef.h>
+
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include "base/process/process_handle.h"
 #elif defined(OS_MACOSX) && !defined(OS_IOS)
 #include <mach/mach.h>
 #include <sys/types.h>
 #include "base/base_export.h"
 #include "base/file_descriptor_posix.h"
@@ skipping 172 matching lines @@
       // Defaults to |false|.
       bool ownership_passes_to_ipc_;
     };
   };
 };
 #endif
 
 }  // namespace base
 
 #endif  // BASE_MEMORY_SHARED_MEMORY_HANDLE_H_