Elim 'new ChromeEvent' from interface generation

tools/json_schema_compiler/js_interface_generator.py

 # 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.
 """
 Generator that produces an interface file for the Closure Compiler.
 Note: This is a work in progress, and generated interfaces may require tweaking.
 """
 
 from code import Code
 from js_util import JsUtil
@@ skipping 28 matching lines @@
       .Append())
 
     self._AppendInterfaceObject(c)
     c.Append()
 
     c.Sblock('%s.prototype = {' % self._interface)
 
     for function in self._namespace.functions.values():
       self._AppendFunction(c, function)
 
+    c.TrimTrailingNewlines()
+    c.Eblock('};')
+    c.Append()
+
     for event in self._namespace.events.values():
       self._AppendEvent(c, event)
 
     c.TrimTrailingNewlines()
 
-    c.Eblock('};')
-
     return c
 
   def _GetHeader(self, tool, namespace):
     """Returns the file header text.
     """
     return (self._js_util.GetLicense() + '\n' +
             self._js_util.GetInfo(tool) + '\n' +
             ('/** @fileoverview Interface for %s that can be overriden. */' %
              namespace) + '\n' +
             ASSERT);
@@ skipping 20 matching lines @@
   def _AppendEvent(self, c, event):
     """Appends the interface for an event.
     """
     c.Sblock(line='/**', line_prefix=' * ')
     if (event.description):
       c.Comment(event.description, comment_prefix='')
     c.Append('@type {!ChromeEvent}')
     c.Append(self._js_util.GetSeeLink(self._namespace.name, 'event',
                                       event.name))
     c.Eblock(' */')
-    c.Append('%s: new ChromeEvent(),' % (event.name))
+
+    c.Append('%s.prototype.%s;' % (self._interface, event.name))
+
     c.Append()