[bindings] partial interfaces should not violate componentization

Source/bindings/templates/interface.cpp

 {% extends 'interface_base.cpp' %}
 
 
 {##############################################################################}
 {% block indexed_property_getter %}
 {% if indexed_property_getter and not indexed_property_getter.is_custom %}
 {% set getter = indexed_property_getter %}
 static void indexedPropertyGetter(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     {{cpp_class}}* impl = {{v8_class}}::toImpl(info.Holder());
@@ skipping 409 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     {{cpp_class}}V8Internal::{{cpp_class}}OriginSafeMethodSetter(name, v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
+{% block named_constructor %}
 {% from 'methods.cpp' import generate_constructor with context %}
-{% block named_constructor %}
 {% if named_constructor %}
 {% 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' %}
 const WrapperTypeInfo {{v8_class}}Constructor::wrapperTypeInfo = { gin::kEmbedderBlink, {{v8_class}}Constructor::domTemplate, {{v8_class}}::refObject, {{v8_class}}::derefObject, {{v8_class}}::createPersistentHandle, {{to_active_dom_object}}, {{to_event_target}}, 0, {{v8_class}}::installConditionallyEnabledMethods, {{v8_class}}::installConditionallyEnabledProperties, 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{lifetime}}, WrapperTypeInfo::{{gc_type}} };
 
 {{generate_constructor(named_constructor)}}
 v8::Handle<v8::FunctionTemplate> {{v8_class}}Constructor::domTemplate(v8::Isolate* isolate)
 {
@@ skipping 152 matching lines @@
     }
     {% endif %}
     setObjectGroup(internalPointer, wrapper, isolate);
 }
 
 {% endif %}
 {% endblock %}
 
 
 {##############################################################################}
+{% block shadow_attributes %}
 {% from 'attributes.cpp' import attribute_configuration with context %}
-{% block shadow_attributes %}
 {% if interface_name == 'Window' %}
 static const V8DOMConfiguration::AttributeConfiguration shadowAttributes[] = {
     {% for attribute in attributes if attribute.is_unforgeable and attribute.should_be_exposed_to_script %}
     {{attribute_configuration(attribute)}},
     {% endfor %}
 };
 
 {% endif %}
 {% endblock %}
 
@@ skipping 106 matching lines @@
     "{{method.name}}", {{getter_callback}}, {{setter_callback}}, {{getter_callback_for_main_world}}, {{setter_callback_for_main_world}}, &{{v8_class}}::wrapperTypeInfo, v8::ALL_CAN_READ, {{property_attribute}}, {{only_exposed_to_private_script}}, V8DOMConfiguration::OnInstance,
 };
 V8DOMConfiguration::installAttribute({{method.function_template}}, v8::Handle<v8::ObjectTemplate>(), {{method.name}}OriginSafeAttributeConfiguration, isolate);
 {%- endmacro %}
 
 
 {##############################################################################}
 {% block get_dom_template %}
 v8::Handle<v8::FunctionTemplate> {{v8_class}}::domTemplate(v8::Isolate* isolate)
 {
-    return V8DOMConfiguration::domClassTemplate(isolate, const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), install{{v8_class}}Template);
+    {% if has_partial_interface %}
+    {% set installTemplateFunction = '%s::install%sTemplateFunction' % (v8_class, v8_class) %}
+    ASSERT({{installTemplateFunction}} != {{actual_v8_class}}::install{{v8_class}}Template);
+    {% else %}
+    {% set installTemplateFunction = 'install%sTemplate' % v8_class %}
+    {% endif %}
+{% set installTemplateFunction = '%s::install%sTemplateFunction' % (v8_class, v8_class) if has_partial_interface else 'install%sTemplate' % v8_class %}
+    return V8DOMConfiguration::domClassTemplate(isolate, const_cast<WrapperTypeInfo*>(&wrapperTypeInfo), {{installTemplateFunction}});
 }
 
 {% endblock %}
 
 
 {##############################################################################}
 {% block has_instance %}
 bool {{v8_class}}::hasInstance(v8::Handle<v8::Value> v8Value, v8::Isolate* isolate)
 {
     return V8PerIsolateData::from(isolate)->hasInstance(&wrapperTypeInfo, v8Value);
@@ skipping 152 matching lines @@
 {% endif %}
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline({{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 {% endblock %}
+
+{##############################################################################}
+{% block partial_interface %}
+{% if has_partial_interface %}
+InstallTemplateFunction {{v8_class}}::install{{v8_class}}TemplateFunction = (InstallTemplateFunction)&{{v8_class}}::install{{v8_class}}Template;
+
+void {{v8_class}}::updateWrapperTypeInfo(InstallTemplateFunction installTemplateFunction, InstallConditionallyEnabledMethodsFunction installConditionallyEnabledMethodsFunction)
+{
+    {{v8_class}}::install{{v8_class}}TemplateFunction = installTemplateFunction;
+    if (installConditionallyEnabledMethodsFunction)
+        {{v8_class}}::wrapperTypeInfo.installConditionallyEnabledMethodsFunction = installConditionallyEnabledMethodsFunction;
+}
+
+{% for method in methods if method.overloads and method.overloads.has_partial_overloads %}
+void {{v8_class}}::register{{method.name | blink_capitalize}}MethodForPartialInterface(void (*method)(const v8::FunctionCallbackInfo<v8::Value>&))
+{
+    {{actual_cpp_class}}V8Internal::{{method.name}}MethodForPartialInterface = method;
+}
+{% endfor %}
+{% endif %}
+{% endblock %}