Set up the infrastructure for Extension event metrics.

chrome/browser/ui/app_list/search/people/people_result.cc

 // 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.
 
 #include "chrome/browser/ui/app_list/search/people/people_result.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
@@ skipping 149 matching lines @@
   SigninManagerBase* signin_manager =
       SigninManagerFactory::GetInstance()->GetForProfile(profile_);
   DCHECK(signin_manager);
   request.from = signin_manager->GetAuthenticatedUsername();
 
   // to: list of users with whom to start this hangout is with.
   linked_ptr<User> target(new User());
   target->id = person_->owner_id;
   request.to.push_back(target);
 
-  scoped_ptr<extensions::Event> event(
-      new extensions::Event(OnHangoutRequested::kEventName,
-                            OnHangoutRequested::Create(request)));
+  scoped_ptr<extensions::Event> event(new extensions::Event(
+      extensions::events::UNKNOWN, OnHangoutRequested::kEventName,
+      OnHangoutRequested::Create(request)));
 
   // TODO(rkc): Change this once we remove the hangoutsPrivate API.
   // See crbug.com/306672
   extensions::EventRouter::Get(profile_)
       ->DispatchEventToExtension(hangouts_extension_id_, event.Pass());
 
   content::RecordAction(base::UserMetricsAction("PeopleSearch_OpenChat"));
 }
 
 void PeopleResult::SendEmail() {
@@ skipping 11 matching lines @@
     if (extensions::EventRouter::Get(profile_)->ExtensionHasEventListener(
             kHangoutsExtensionIds[i], OnHangoutRequested::kEventName)) {
       hangouts_extension_id_ = kHangoutsExtensionIds[i];
       return;
     }
   }
   hangouts_extension_id_.clear();
 }
 
 }  // namespace app_list