Add first sketch of the webmodules code generator.

third_party/WebKit/Source/bindings/tests/results/core/CppTestCallbackInterface.cpp

Index: third_party/WebKit/Source/bindings/tests/results/core/CppTestCallbackInterface.cpp
diff --git a/third_party/WebKit/Source/bindings/tests/results/core/CppTestCallbackInterface.cpp b/third_party/WebKit/Source/bindings/tests/results/core/CppTestCallbackInterface.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..44fb794d2c44e4cd1a3631ef7f47097299efaf9d
--- /dev/null
+++ b/third_party/WebKit/Source/bindings/tests/results/core/CppTestCallbackInterface.cpp
@@ -0,0 +1,24 @@
+// 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_cpp.py. DO NOT MODIFY!
+
+// clang-format off
+
+#include "CppTestCallbackInterface.h"
+
+// TODO(dglazkov): Implement generating includes.
+
+namespace blink {
+namespace api {
+
+// TODO(dglazkov): Implement constant generation
+
+// TODO(dglazkov): Implement constructor generation
+
+// TODO(dglazkov): Implement attribute getter/setter generation
+
+// TODO(dglazkov): Implement method generation
+}
+}