Elim 'new ChromeEvent' from interface generation

tools/json_schema_compiler/js_interface_generator_test.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 import idl_schema
 import json_parse
 from js_interface_generator import JsInterfaceGenerator
 from datetime import datetime
 import model
@@ skipping 86 matching lines @@
   doSomething: assertNotReached,
 
   /**
    * @param {function(!chrome.fakeApi.Baz, !chrome.fakeApi.Greek):void=}
    *     callback The callback which will most assuredly in all cases be called;
    *     that is, of course, iff such a callback was provided and is not at all
    *     null.
    * @see https://developer.chrome.com/extensions/fakeApi#method-bazGreek
    */
   bazGreek: assertNotReached,
+};
 
-  /**
-   * Fired when we realize it's a trap!
-   * @type {!ChromeEvent}
-   * @see https://developer.chrome.com/extensions/fakeApi#event-onTrapDetected
-   */
-  onTrapDetected: new ChromeEvent(),
-};""" % (datetime.now().year, sys.argv[0]))
+/**
+ * Fired when we realize it's a trap!
+ * @type {!ChromeEvent}
+ * @see https://developer.chrome.com/extensions/fakeApi#event-onTrapDetected
+ */
+FakeApi.prototype.onTrapDetected;""" % (datetime.now().year, sys.argv[0]))
 
 class JsExternGeneratorTest(unittest.TestCase):
   def _GetNamespace(self, fake_content, filename):
     """Returns a namespace object for the given content"""
     api_def = idl_schema.Process(fake_content, filename)
     m = model.Model()
     return m.AddNamespace(api_def[0], filename)
 
   def setUp(self):
     self.maxDiff = None # Lets us see the full diff when inequal.
 
   def testBasic(self):
     namespace = self._GetNamespace(fake_idl, 'fake_api.idl')
     self.assertMultiLineEqual(
         expected_output,
         JsInterfaceGenerator().Generate(namespace).Render())
 
 
 if __name__ == '__main__':
   unittest.main()