[inspector] use own version of third_party/inspector_protocol

third_party/WebKit/Source/platform/inspector_protocol/lib/ErrorSupport_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)}}_ErrorSupport_h
-#define {{"_".join(config.protocol.namespace)}}_ErrorSupport_h
-
-//#include "Forward.h"
-
-{% for namespace in config.protocol.namespace %}
-namespace {{namespace}} {
-{% endfor %}
-
-class {{config.lib.export_macro}} ErrorSupport {
-public:
-    ErrorSupport();
-    ErrorSupport(String* errorString);
-    ~ErrorSupport();
-
-    void push();
-    void setName(const String&);
-    void pop();
-    void addError(const String&);
-    bool hasErrors();
-    String errors();
-
-private:
-    std::vector<String> m_path;
-    std::vector<String> m_errors;
-    String* m_errorString;
-};
-
-{% for namespace in config.protocol.namespace %}
-} // namespace {{namespace}}
-{% endfor %}
-
-#endif // !defined({{"_".join(config.protocol.namespace)}}_ErrorSupport_h)