bindings: Retires V8T::toEventTarget and reduces the binary size.

Source/bindings/templates/interface_base.cpp

 // Copyright 2014 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.
 
 // This file has been auto-generated by {{code_generator}}. DO NOT MODIFY!
 
 #include "config.h"
 {% filter conditional(conditional_string) %}
 #include "{{v8_class_or_partial}}.h"
 
 {% for filename in cpp_includes if filename != '%s.h' % cpp_class_or_partial %}
 #include "{{filename}}"
 {% endfor %}
 
 namespace blink {
 {% set to_active_dom_object = '%s::toActiveDOMObject' % v8_class
                               if is_active_dom_object else '0' %}
-{% set to_event_target = '%s::toEventTarget' % v8_class
-                         if is_event_target else '0' %}
 {% set visit_dom_wrapper = '%s::visitDOMWrapper' % v8_class
                            if has_visit_dom_wrapper else '0' %}
 {% set parent_wrapper_type_info = '&V8%s::wrapperTypeInfo' % parent_interface
                                   if parent_interface else '0' %}
 {% set wrapper_type_prototype = 'WrapperTypeExceptionPrototype' if is_exception else
                                 'WrapperTypeObjectPrototype' %}
 {% set dom_template = '%s::domTemplate' % v8_class if not is_array_buffer_or_view else '0' %}
 
 {% set wrapper_type_info_const = '' if has_partial_interface else 'const ' %}
 {% if not is_partial %}
-{{wrapper_type_info_const}}WrapperTypeInfo {{v8_class}}::wrapperTypeInfo = { gin::kEmbedderBlink, {{dom_template}}, {{v8_class}}::refObject, {{v8_class}}::derefObject, {{v8_class}}::trace, {{to_active_dom_object}}, {{to_event_target}}, {{visit_dom_wrapper}}, {{v8_class}}::installConditionallyEnabledMethods, {{v8_class}}::installConditionallyEnabledProperties, {{parent_wrapper_type_info}}, WrapperTypeInfo::{{wrapper_type_prototype}}, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{lifetime}}, WrapperTypeInfo::{{gc_type}} };
+{{wrapper_type_info_const}}WrapperTypeInfo {{v8_class}}::wrapperTypeInfo = { gin::kEmbedderBlink, {{dom_template}}, {{v8_class}}::refObject, {{v8_class}}::derefObject, {{v8_class}}::trace, {{to_active_dom_object}}, {{visit_dom_wrapper}}, {{v8_class}}::installConditionallyEnabledMethods, {{v8_class}}::installConditionallyEnabledProperties, {{parent_wrapper_type_info}}, WrapperTypeInfo::{{wrapper_type_prototype}}, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{event_target_inheritance}}, WrapperTypeInfo::{{lifetime}}, WrapperTypeInfo::{{gc_type}} };
 
 // This static member must be declared by DEFINE_WRAPPERTYPEINFO in {{cpp_class}}.h.
 // For details, see the comment of DEFINE_WRAPPERTYPEINFO in
 // bindings/core/v8/ScriptWrappable.h.
 {% if is_typed_array_type %}
 template<>
 {% endif %}
 const WrapperTypeInfo& {{cpp_class}}::s_wrapperTypeInfo = {{v8_class}}::wrapperTypeInfo;
 
 {% endif %}
@@ skipping 404 matching lines @@
 {% block install_conditional_methods %}
 {% from 'methods.cpp' import install_conditionally_enabled_methods
         with context %}
 {% if is_partial or conditionally_enabled_methods %}
 {{install_conditionally_enabled_methods()}}
 
 {% endif %}
 {% endblock %}
 {##############################################################################}
 {% block to_active_dom_object %}{% endblock %}
-{% block to_event_target %}{% endblock %}
 {% block get_shadow_object_template %}{% endblock %}
 {% block deref_object_and_to_v8_no_inline %}{% endblock %}
 {% for method in methods if method.is_implemented_in_private_script %}
 {{method_implemented_in_private_script(method)}}
 {% endfor %}
 {% for attribute in attributes if attribute.is_implemented_in_private_script %}
 {{attribute_getter_implemented_in_private_script(attribute)}}
 {% if not attribute.is_read_only or attribute.put_forwards %}
 {{attribute_setter_implemented_in_private_script(attribute)}}
 {% endif %}
 {% endfor %}
 {% block partial_interface %}{% endblock %}
 } // namespace blink
 {% endfilter %}