Removes the custom toString callback for the various DOM constructors.

third_party/WebKit/Source/bindings/templates/interface_base.cpp

 {% include 'copyright_block.txt' %}
 #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 {
@@ skipping 418 matching lines @@
     {# Special interfaces #}
     {% if not is_partial %}
     {% if interface_name == 'Window' %}
 
     instanceTemplate->SetInternalFieldCount(V8Window::internalFieldCount);
     prototypeTemplate->SetInternalFieldCount(V8Window::internalFieldCount);
     {% endif %}
     {% if is_global or interface_name == 'HTMLDocument' %}
     functionTemplate->SetHiddenPrototype(true);
     {% endif %}
-
-    // Custom toString template
-    functionTemplate->Set(v8AtomicString(isolate, "toString"), V8PerIsolateData::from(isolate)->toStringTemplate());
     {% endif %}
 }
 
 {% endif %}{# not is_array_buffer_or_view #}
 {% endblock %}
 {##############################################################################}
 {% block get_dom_template %}{% endblock %}
 {% block get_dom_template_for_named_properties_object %}{% endblock %}
 {% block has_instance %}{% endblock %}
 {% block to_impl %}{% endblock %}
 {% block to_impl_with_type_check %}{% endblock %}
 {% block install_conditional_attributes %}{% endblock %}
 {##############################################################################}
 {% block prepare_prototype_and_interface_object %}{% endblock %}
 {##############################################################################}
 {% block to_active_dom_object %}{% endblock %}
 {% block ref_object_and_deref_object %}{% endblock %}
 {% for method in methods if method.is_implemented_in_private_script and method.visible %}
 {{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 attribute.has_setter %}
 {{attribute_setter_implemented_in_private_script(attribute)}}
 {% endif %}
 {% endfor %}
 {% block partial_interface %}{% endblock %}
 } // namespace blink
 {% endfilter %}