Switch to standard integer types in base/trace_event/.

base/trace_event/trace_event_argument_unittest.cc

 // Copyright (c) 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 "base/trace_event/trace_event_argument.h"
 
+#include <stddef.h>
+
 #include <utility>
 
 #include "base/values.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 namespace trace_event {
 
 TEST(TraceEventArgumentTest, FlatDictionary) {
   scoped_refptr<TracedValue> value = new TracedValue();
@@ skipping 136 matching lines @@
   nested_dict_value->SetInteger("f", 3);
   nested_dict_value->BeginDictionary("g");
   nested_dict_value->EndDictionary();
   json = "";
   nested_dict_value->AppendAsTraceFormat(&json);
   EXPECT_EQ("{\"b\":2,\"c\":[\"foo\"],\"f\":3,\"g\":{}}", json);
 }
 
 }  // namespace trace_event
 }  // namespace base