IDL: Auto-generate NativeValueTraits for IDL dictionaries

Source/bindings/templates/dictionary_v8.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"
 #include "{{v8_original_class}}.h"
 
 {% for filename in cpp_includes if filename != '%s.h' % v8_class %}
@@ skipping 40 matching lines @@
     {% endif %}
         impl.{{member.setter_name}}({{member.name}});
     } else if (block.HasCaught()) {
         exceptionState.rethrowV8Exception(block.Exception());
         return;
     }
 
     {% endfor %}
 }
 
-v8::Handle<v8::Value> toV8({{cpp_class}}& impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+v8::Handle<v8::Value> toV8(const {{cpp_class}}& impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     v8::Handle<v8::Object> v8Object = v8::Object::New(isolate);
     {% if parent_v8_class %}
     toV8{{parent_cpp_class}}(impl, v8Object, creationContext, isolate);
     {% endif %}
     toV8{{cpp_class}}(impl, v8Object, creationContext, isolate);
     return v8Object;
 }
 
-void toV8{{cpp_class}}({{cpp_class}}& impl, v8::Handle<v8::Object> dictionary, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+template<>
+v8::Handle<v8::Value> toV8NoInline(const {{cpp_class}}* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
+{
+    return toV8(*impl, creationContext, isolate);
+}
+
+void toV8{{cpp_class}}(const {{cpp_class}}& impl, v8::Handle<v8::Object> dictionary, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     {% for member in members %}
     if (impl.{{member.has_method_name}}()) {
         {% if member.is_object %}
         ASSERT(impl.{{member.cpp_name}}().isObject());
         {% endif %}
         dictionary->Set(v8String(isolate, "{{member.name}}"), {{member.cpp_value_to_v8_value}});
     {% if member.v8_default_value %}
     } else {
         dictionary->Set(v8String(isolate, "{{member.name}}"), {{member.v8_default_value}});
     {% endif %}
     }
 
     {% endfor %}
 }
 
+{{cpp_class}} NativeValueTraits<{{cpp_class}}>::nativeValue(const v8::Handle<v8::Value>& value, v8::Isolate* isolate, ExceptionState& exceptionState)
+{
+    {{cpp_class}} impl;
+    {{v8_class}}::toImpl(isolate, value, impl, exceptionState);
+    return impl;
+}
+
 } // namespace blink