[Bindings][Refactoring] Move logics of preparePrototypeAndInterfaceObject from .tmpl to .py

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

Index: third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
diff --git a/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl b/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
index 439615c4fd15d94c5bc8da58f2282b87ca9c18db..d855596bf917855c5eb699bbfbe251a3ed794aa6 100644
--- a/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
+++ b/third_party/WebKit/Source/bindings/templates/interface_base.cpp.tmpl
@@ -9,13 +9,6 @@
 
 namespace blink {
 {% set dom_template = '%s::domTemplate' % v8_class if not is_array_buffer_or_view else '0' %}
-{% set has_prepare_prototype_and_interface_object =
-    unscopables or has_conditional_attributes_on_prototype or
-    methods | conditionally_exposed(is_partial) %}
-{% set prepare_prototype_and_interface_object_func =
-    '%s::preparePrototypeAndInterfaceObject' % v8_class
-    if has_prepare_prototype_and_interface_object
-    else 'nullptr' %}
 {% set parent_wrapper_type_info = '&V8%s::wrapperTypeInfo' % parent_interface
                                   if parent_interface else '0' %}
 {% set wrapper_type_prototype = 'WrapperTypeExceptionPrototype' if is_exception else
@@ -33,7 +26,7 @@ namespace blink {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wglobal-constructors"
 #endif
-{{wrapper_type_info_const}}WrapperTypeInfo {{v8_class}}::wrapperTypeInfo = { gin::kEmbedderBlink, {{dom_template}}, {{v8_class}}::trace, {{v8_class}}::traceWrappers, {{prepare_prototype_and_interface_object_func}}, "{{interface_name}}", {{parent_wrapper_type_info}}, WrapperTypeInfo::{{wrapper_type_prototype}}, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{active_scriptwrappable_inheritance}}, WrapperTypeInfo::{{lifetime}} };
+{{wrapper_type_info_const}}WrapperTypeInfo {{v8_class}}::wrapperTypeInfo = { gin::kEmbedderBlink, {{dom_template}}, {{v8_class}}::trace, {{v8_class}}::traceWrappers, {{prepare_prototype_and_interface_object_func or 'nullptr'}}, "{{interface_name}}", {{parent_wrapper_type_info}}, WrapperTypeInfo::{{wrapper_type_prototype}}, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{active_scriptwrappable_inheritance}}, WrapperTypeInfo::{{lifetime}} };
 #if defined(COMPONENT_BUILD) && defined(WIN32) && COMPILER(CLANG)
 #pragma clang diagnostic pop
 #endif
@@ -709,7 +702,7 @@ void {{v8_class_or_partial}}::install{{feature.name}}(ScriptState* scriptState)
 {% block prepare_prototype_and_interface_object %}
 {% from 'attributes.cpp.tmpl' import install_conditionally_enabled_attributes_on_prototype with context %}
 {% from 'methods.cpp.tmpl' import install_conditionally_enabled_methods with context %}
-{% if has_prepare_prototype_and_interface_object %}
+{% if prepare_prototype_and_interface_object_func %}
 void {{v8_class_or_partial}}::preparePrototypeAndInterfaceObject(v8::Local<v8::Context> context, const DOMWrapperWorld& world, v8::Local<v8::Object> prototypeObject, v8::Local<v8::Function> interfaceObject, v8::Local<v8::FunctionTemplate> interfaceTemplate) {
   {% if is_partial %}
   {{v8_class}}::preparePrototypeAndInterfaceObject(context, world, prototypeObject, interfaceObject, interfaceTemplate);