DevTools: generate string16-based handlers for v8_inspector.

third_party/WebKit/Source/platform/inspector_protocol/Frontend_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 {{class_name}}_h
 #define {{class_name}}_h
 
 
 #include "platform/inspector_protocol/FrontendChannel.h"
 #include "platform/inspector_protocol/TypeBuilder.h"
 
 namespace blink {
 namespace protocol {
 
-using ErrorString = String;
-
 class PLATFORM_EXPORT Frontend {
 public:
     Frontend(FrontendChannel*);
     FrontendChannel* channel() { return m_frontendChannel; }
 
 {% for domain in api.domains %}
 
     class PLATFORM_EXPORT {{domain.domain}} {
     public:
         static {{domain.domain}}* from(Frontend* frontend) { return &(frontend->m_{{domain.domain | lower}}) ;}
@@ skipping 21 matching lines @@
     FrontendChannel* m_frontendChannel;
 {% for domain in api.domains %}
     {{domain.domain}} m_{{domain.domain | lower}};
 {% endfor %}
 };
 
 } // namespace protocol
 } // namespace blink
 
 #endif // !defined({{class_name}}_h)