DevTools: consolidate protocol generators for front-end, backend and type builder.

third_party/WebKit/Source/platform/inspector_protocol/Backend_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/BackendCallback.h"
-#include "platform/inspector_protocol/ErrorSupport.h"
-#include "platform/inspector_protocol/TypeBuilder.h"
-
-namespace blink {
-namespace protocol {
-
-{% for domain in api.domains %}
-
-namespace {{domain.domain}} {
-
-class PLATFORM_EXPORT Backend {
-public:
-  {% for command in domain.commands %}
-    {% if "redirect" in command %}{% continue %}{% endif %}
-    {% if ("handlers" in command) and not ("renderer" in command["handlers"]) %}{% continue %}{% endif %}
-    {% if "async" in command %}
-    class PLATFORM_EXPORT {{command.name | to_title_case}}Callback : public BackendCallback {
-    public:
-        virtual void sendSuccess(
-            {%- for parameter in command.returns -%}
-              {%- if "optional" in parameter -%}
-            const Maybe<{{resolve_type(parameter).raw_type}}>& {{parameter.name}}
-              {%- else -%}
-                {{resolve_type(parameter).pass_type}} {{parameter.name}}
-              {%- endif -%}
-              {%- if not loop.last -%}, {% endif -%}
-            {%- endfor -%}
-        ) = 0;
-    };
-    {% endif %}
-    virtual void {{command.name}}(ErrorString*
-    {%- for parameter in command.parameters -%}
-        {%- if "optional" in parameter -%}
-        , const Maybe<{{resolve_type(parameter).raw_type}}>& in_{{parameter.name}}
-        {%- else -%}
-        , {{resolve_type(parameter).pass_type}} in_{{parameter.name}}
-        {%- endif -%}
-    {%- endfor -%}
-    {%- if "async" in command -%}
-        , std::unique_ptr<{{command.name | to_title_case}}Callback> callback
-    {%- else -%}
-      {%- for parameter in command.returns -%}
-        {%- if "optional" in parameter -%}
-        , Maybe<{{resolve_type(parameter).raw_type}}>* out_{{parameter.name}}
-        {%- else -%}
-        , {{resolve_type(parameter).type}}* out_{{parameter.name}}
-        {%- endif -%}
-      {%- endfor -%}
-    {%- endif -%}
-    ) = 0;
-  {% endfor %}
-
-protected:
-    virtual ~Backend() { }
-};
-
-} // namespace {{domain.domain}}
-
-{% endfor %}
-
-} // namespace protocol
-} // namespace blink
-
-#endif // !defined({{class_name}}_h)