Set up the infrastructure for Extension event metrics.

chrome/browser/extensions/api/cookies/cookies_api.cc

 // Copyright (c) 2012 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.
 
 // Implements the Chrome Extensions Cookies API.
 
 #include "chrome/browser/extensions/api/cookies/cookies_api.h"
 
 #include <vector>
 
@@ skipping 175 matching lines @@
                 cookie_domain);
 }
 
 void CookiesEventRouter::DispatchEvent(content::BrowserContext* context,
                                        const std::string& event_name,
                                        scoped_ptr<base::ListValue> event_args,
                                        GURL& cookie_domain) {
   EventRouter* router = context ? extensions::EventRouter::Get(context) : NULL;
   if (!router)
     return;
-  scoped_ptr<Event> event(new Event(event_name, event_args.Pass()));
+  scoped_ptr<Event> event(
+      new Event(events::UNKNOWN, event_name, event_args.Pass()));
   event->restrict_to_browser_context = context;
   event->event_url = cookie_domain;
   router->BroadcastEvent(event.Pass());
 }
 
 CookiesGetFunction::CookiesGetFunction() {
 }
 
 CookiesGetFunction::~CookiesGetFunction() {
 }
@@ skipping 375 matching lines @@
   return g_factory.Pointer();
 }
 
 void CookiesAPI::OnListenerAdded(
     const extensions::EventListenerInfo& details) {
   cookies_event_router_.reset(new CookiesEventRouter(browser_context_));
   EventRouter::Get(browser_context_)->UnregisterObserver(this);
 }
 
 }  // namespace extensions