Switch to standard integer types in base/memory/.

base/memory/ptr_util_unittest.cc

 // 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.
 
 #include "base/memory/ptr_util.h"
 
+#include <stddef.h>
+
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 namespace {
 
 class DeleteCounter {
  public:
   DeleteCounter() { ++count_; }
   ~DeleteCounter() { --count_; }
@@ skipping 12 matching lines @@
   EXPECT_EQ(0u, DeleteCounter::count());
   DeleteCounter* counter = new DeleteCounter;
   EXPECT_EQ(1u, DeleteCounter::count());
   std::unique_ptr<DeleteCounter> owned_counter = WrapUnique(counter);
   EXPECT_EQ(1u, DeleteCounter::count());
   owned_counter.reset();
   EXPECT_EQ(0u, DeleteCounter::count());
 }
 
 }  // namespace base