Add a simple one shot and repeating timer API for Mojo.js.

gin/modules/console.h

 // Copyright 2013 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.
 
 #ifndef GIN_MODULES_CONSOLE_H_
 #define GIN_MODULES_CONSOLE_H_
 
 #include "gin/gin_export.h"
 #include "v8/include/v8.h"
 
 namespace gin {
 
 // The Console module provides a basic API for printing to stdout. Over time,
 // we'd like to evolve the API to match window.console in browsers.
 class GIN_EXPORT Console {
  public:
   static const char kModuleName[];
-  static v8::Local<v8::ObjectTemplate> GetTemplate(v8::Isolate* isolate);
+  static v8::Local<v8::Value> GetModule(v8::Isolate* isolate);
 };
 
 }  // namespace gin
 
 #endif  // GIN_MODULES_CONSOLE_H_