[WebAgentsAPI]: Start adding support for method arguments.

third_party/WebKit/Source/bindings/tests/results/core/test_interface_3.cc

 // 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_web_agent_api.py.
 // DO NOT MODIFY!
 
 // This file has been generated from the Jinja2 template in
 // third_party/WebKit/Source/bindings/templates/web_agent_api_interface.cc.tmpl
 
@@ skipping 15 matching lines @@
   visitor->trace(test_interface_3_);
 }
 
 // TODO(dglazkov): Implement constant generation
 
 // TODO(dglazkov): Implement attribute getter/setter generation
 // unsigned long length
 // DOMString readonlyStringifierAttribute
 
 // TODO(dglazkov): Implement method generation
-// void TestInterface3::voidMethodDocument
+// void TestInterface3::VoidMethodDocument
+//   Document document
 
 TestInterface3::TestInterface3(blink::TestInterface3* test_interface_3)
     : test_interface_3_(test_interface_3) {}
 
 blink::TestInterface3* TestInterface3::test_interface_3() const {
   return test_interface_3_;
 }
 
 }  // namespace web