diff --git a/native_mate/constructor.cc b/native_mate/constructor.cc
new file mode 100644
index 00000000000..fca79212776
--- /dev/null
+++ b/native_mate/constructor.cc
@@ -0,0 +1,42 @@
+// 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.chromium file.
+
+#include "native_mate/wrappable_class.h"
+
+#include "native_mate/function_template.h"
+#include "native_mate/object_template_builder.h"
+
+namespace mate {
+
+Constructor::Constructor(const base::StringPiece& name) : name_(name) {
+}
+
+Constructor::~Constructor() {
+  constructor_.Reset();
+}
+
+v8::Handle<v8::Function> Constructor::GetFunction(v8::Isolate* isolate) {
+  if (constructor_.IsEmpty()) {
+    v8::Local<v8::FunctionTemplate> constructor = CreateFunctionTemplate(
+        isolate,
+        base::Bind(&Constructor::New, base::Unretained(this)));
+    constructor->InstanceTemplate()->SetInternalFieldCount(1);
+    constructor->SetClassName(StringToV8(isolate, name_));
+    SetPrototype(isolate, constructor->PrototypeTemplate());
+
+    constructor_.Reset(isolate, constructor);
+  }
+
+  return MATE_PERSISTENT_TO_LOCAL(
+      v8::FunctionTemplate, isolate, constructor_)->GetFunction();
+}
+
+void Constructor::New() {
+}
+
+void Constructor::SetPrototype(v8::Isolate* isolate,
+                               v8::Handle<v8::ObjectTemplate> prototype) {
+}
+
+}  // namespace mate
diff --git a/native_mate/constructor.h b/native_mate/constructor.h
new file mode 100644
index 00000000000..45786fdb341
--- /dev/null
+++ b/native_mate/constructor.h
@@ -0,0 +1,34 @@
+// 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.chromium file.
+
+#ifndef NATIVE_MATE_WRAPPABLE_CLASS_H_
+#define NATIVE_MATE_WRAPPABLE_CLASS_H_
+
+#include "native_mate/wrappable.h"
+
+namespace mate {
+
+class Constructor {
+ public:
+  v8::Handle<v8::Function> GetFunction(v8::Isolate* isolate);
+
+ protected:
+  Constructor(const base::StringPiece& name);
+  virtual ~Constructor();
+
+  virtual void New() = 0;
+
+  virtual void SetPrototype(v8::Isolate* isolate,
+                            v8::Handle<v8::ObjectTemplate> prototype);
+
+ private:
+  base::StringPiece name_;
+  v8::Persistent<v8::FunctionTemplate> constructor_;
+
+  DISALLOW_COPY_AND_ASSIGN(Constructor);
+};
+
+}  // namespace mate
+
+#endif  // NATIVE_MATE_WRAPPABLE_CLASS_H_
diff --git a/native_mate/wrappable.h b/native_mate/wrappable.h
index e4037c0bb5e..b6b80789887 100644
--- a/native_mate/wrappable.h
+++ b/native_mate/wrappable.h
@@ -56,6 +56,10 @@ class Wrappable {
 
   virtual ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate);
 
+  // Override to change how the v8 wrapper is built (by default it was built
+  // from the ObjectTemplateBuilder.
+  // virtual v8::Handle<v8::Object> BuildObject();
+
  private:
   static MATE_WEAK_CALLBACK(WeakCallback, v8::Object, Wrappable);
 
diff --git a/native_mate_files.gypi b/native_mate_files.gypi
index 8d3952bdd8d..934c91f2323 100644
--- a/native_mate_files.gypi
+++ b/native_mate_files.gypi
@@ -4,6 +4,8 @@
       'native_mate/arguments.cc',
       'native_mate/arguments.h',
       'native_mate/compat.h',
+      'native_mate/constructor.cc',
+      'native_mate/constructor.h',
       'native_mate/converter.cc',
       'native_mate/converter.h',
       'native_mate/dictionary.cc',