[inspector] use own copy of third_party/inspector_protocol

third_party/inspector_protocol/templates/Exported_h.template

+// This file is generated
+
+// Copyright (c) 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)}}_{{domain.domain}}_api_h
+#define {{"_".join(config.protocol.namespace)}}_{{domain.domain}}_api_h
+
+{% if config.exported.export_header %}
+#include {{format_include(config.exported.export_header)}}
+{% endif %}
+#include {{format_include(config.exported.string_header)}}
+
+{% for namespace in config.protocol.namespace %}
+namespace {{namespace}} {
+{% endfor %}
+namespace {{domain.domain}} {
+namespace API {
+
+// ------------- Enums.
+  {% for type in domain.types %}
+    {% if ("enum" in type) and type.exported %}
+
+namespace {{type.id}}Enum {
+      {% for literal in type.enum %}
+{{config.exported.export_macro}} extern const char* {{ literal | dash_to_camelcase}};
+      {% endfor %}
+} // {{type.id}}Enum
+    {% endif %}
+  {% endfor %}
+  {% for command in join_arrays(domain, ["commands", "events"]) %}
+    {% for param in join_arrays(command, ["parameters", "returns"]) %}
+      {% if ("enum" in param) and (param.exported) %}
+
+namespace {{command.name | to_title_case}} {
+namespace {{param.name | to_title_case}}Enum {
+        {% for literal in param.enum %}
+{{config.exported.export_macro}} extern const char* {{ literal | dash_to_camelcase}};
+        {% endfor %}
+} // {{param.name | to_title_case}}Enum
+} // {{command.name | to_title_case }}
+      {% endif %}
+    {% endfor %}
+  {% endfor %}
+
+// ------------- Types.
+  {% for type in domain.types %}
+    {% if not (type.type == "object") or not ("properties" in type) or not (type.exported) %}{% continue %}{% endif %}
+
+class {{config.exported.export_macro}} {{type.id}} {
+public:
+    virtual {{config.exported.string_out}} toJSONString() const = 0;
+    virtual ~{{type.id}}() { }
+    static std::unique_ptr<protocol::{{domain.domain}}::API::{{type.id}}> fromJSONString(const {{config.exported.string_in}}& json);
+};
+  {% endfor %}
+
+} // namespace API
+} // namespace {{domain.domain}}
+{% for namespace in config.protocol.namespace %}
+} // namespace {{namespace}}
+{% endfor %}
+
+#endif // !defined({{"_".join(config.protocol.namespace)}}_{{domain.domain}}_api_h)