Implement ImageData constructors.

Source/bindings/templates/methods.cpp

 {##############################################################################}
 {% macro generate_method(method, world_suffix) %}
 {% filter conditional(method.conditional_string) %}
 static void {{method.name}}{{method.overload_index}}Method{{world_suffix}}(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     {# Local variables #}
     {% if method.has_exception_state %}
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "{{method.name}}", "{{interface_name}}", info.Holder(), info.GetIsolate());
     {% endif %}
     {% if method.number_of_required_arguments %}
@@ skipping 368 matching lines @@
     {% for argument in constructor.arguments %}
     {{generate_argument(constructor, argument) | indent}}
     {% endfor %}
     {% if is_constructor_call_with_execution_context %}
     ExecutionContext* context = currentExecutionContext(info.GetIsolate());
     {% endif %}
     {% if is_constructor_call_with_document %}
     Document& document = *toDocument(currentExecutionContext(info.GetIsolate()));
     {% endif %}
     {{ref_ptr}}<{{cpp_class}}> impl = {{cpp_class}}::create({{constructor.argument_list | join(', ')}});
-    v8::Handle<v8::Object> wrapper = info.Holder();
     {% if is_constructor_raises_exception %}
     if (exceptionState.throwIfNeeded())
         return;
     {% endif %}
 
-    {# FIXME: Should probably be Independent unless [ActiveDOMObject]
-              or [DependentLifetime]. #}
-    V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(impl.release(), &{{v8_class}}::wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
+    {% if has_custom_wrap %}
+    v8SetReturnValue(info, wrap(impl.get(), info.Holder(), info.GetIsolate()));
+    {% else %}
+    v8::Handle<v8::Object> wrapper = info.Holder();
+    {% set wrapper_configuration = 'WrapperConfiguration::Dependent'

[Nils Barth (inactive), 2014/03/24 02:14:20]

Since we're using {{wrapper_configuration}} two places,
could you factor it out into the interface context display
in v8_interface.py?

Also, can you check the 2 other uses of
WrapperConfiguration::Dependent
...and see if we can replace these with {{wrapper_configuration}}?

Thanks!

+                                   if (has_visit_dom_wrapper or
+                                       is_active_dom_object or
+                                       is_dependent_lifetime) else
+                                   'WrapperConfiguration::Independent' %}
+    V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(impl.release(), &{{v8_class}}::wrapperTypeInfo, wrapper, info.GetIsolate(), {{wrapper_configuration}});
     v8SetReturnValue(info, wrapper);
+    {% endif %}
 }
 {% endmacro %}
 
 
 {##############################################################################}
 {% macro named_constructor_callback(constructor) %}
 static void {{v8_class}}ConstructorCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (!info.IsConstructCall()) {
         throwTypeError(ExceptionMessages::failedToConstruct("{{constructor.name}}", "Please use the 'new' operator, this DOM object constructor cannot be called as a function."), info.GetIsolate());
@@ skipping 30 matching lines @@
     v8::Handle<v8::Object> wrapper = info.Holder();
     {% if is_constructor_raises_exception %}
     if (exceptionState.throwIfNeeded())
         return;
     {% endif %}
 
     V8DOMWrapper::associateObjectWithWrapper<{{v8_class}}>(impl.release(), &{{v8_class}}Constructor::wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
     v8SetReturnValue(info, wrapper);
 }
 {% endmacro %}