Switch to standard integer types in components/, part 1 of 4.

components/domain_reliability/context_unittest.cc

 // 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.
 
 #include "components/domain_reliability/context.h"
 
+#include <stddef.h>
+
 #include <map>
 #include <string>
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
 #include "base/memory/scoped_ptr.h"
 #include "components/domain_reliability/beacon.h"
 #include "components/domain_reliability/dispatcher.h"
 #include "components/domain_reliability/scheduler.h"
 #include "components/domain_reliability/test_util.h"
@@ skipping 513 matching lines @@
   beacon->chrome_error = net::OK;
   context_->OnBeacon(beacon.Pass());
   context_->GetQueuedBeaconsForTesting(&beacons);
   EXPECT_EQ(0u, beacons.size());
 }
 
 // TODO(ttuttle): Add beacon_unittest.cc to test serialization.
 
 }  // namespace
 }  // namespace domain_reliability