[inspector] use own copy of third_party/inspector_protocol

third_party/inspector_protocol/lib/Collections_h.template

+// Copyright 2016 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 {{"_".join(config.protocol.namespace)}}_Collections_h
+#define {{"_".join(config.protocol.namespace)}}_Collections_h
+
+#include "{{config.protocol.package}}/Forward.h"
+#include <cstddef>
+
+#if defined(__APPLE__) && !defined(_LIBCPP_VERSION)
+#include <map>
+#include <set>
+
+{% for namespace in config.protocol.namespace %}
+namespace {{namespace}} {
+{% endfor %}
+
+template <class Key, class T> using HashMap = std::map<Key, T>;
+template <class Key> using HashSet = std::set<Key>;
+
+{% for namespace in config.protocol.namespace %}
+} // namespace {{namespace}}
+{% endfor %}
+
+#else
+#include <unordered_map>
+#include <unordered_set>
+
+{% for namespace in config.protocol.namespace %}
+namespace {{namespace}} {
+{% endfor %}
+
+template <class Key, class T> using HashMap = std::unordered_map<Key, T>;
+template <class Key> using HashSet = std::unordered_set<Key>;
+
+{% for namespace in config.protocol.namespace %}
+} // namespace {{namespace}}
+{% endfor %}
+
+#endif // defined(__APPLE__) && !defined(_LIBCPP_VERSION)
+
+#endif // !defined({{"_".join(config.protocol.namespace)}}_Collections_h)