Switch to standard integer types in base/memory/.

base/memory/shared_memory_android.cc

 // Copyright (c) 2011 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.
 
 #include "base/memory/shared_memory.h"
 
+#include <stddef.h>
 #include <sys/mman.h>
 
 #include "base/logging.h"
 #include "third_party/ashmem/ashmem.h"
 
 namespace base {
 
 // For Android, we use ashmem to implement SharedMemory. ashmem_create_region
 // will automatically pin the region. We never explicitly call pin/unpin. When
 // all the file descriptors from different processes associated with the region
@@ skipping 40 matching lines @@
   return true;
 }
 
 bool SharedMemory::Open(const std::string& name, bool read_only) {
   // ashmem doesn't support name mapping
   NOTIMPLEMENTED();
   return false;
 }
 
 }  // namespace base