Set up the infrastructure for Extension event metrics.

chrome/browser/extensions/api/autofill_private/autofill_private_event_router.cc

 // 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.
 
 #include "chrome/browser/extensions/api/autofill_private/autofill_private_event_router.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 66 matching lines @@
 
 void AutofillPrivateEventRouter::OnPersonalDataChanged() {
   DCHECK(personal_data_ && personal_data_->IsDataLoaded());
 
   scoped_ptr<AddressEntryList> addressList =
       extensions::autofill_util::GenerateAddressList(*personal_data_);
   scoped_ptr<base::ListValue> args(
       api::autofill_private::OnAddressListChanged::Create(*addressList)
       .release());
   scoped_ptr<Event> extension_event(new Event(
-      api::autofill_private::OnAddressListChanged::kEventName, args.Pass()));
+      events::UNKNOWN, api::autofill_private::OnAddressListChanged::kEventName,
+      args.Pass()));
   event_router_->BroadcastEvent(extension_event.Pass());
 
   scoped_ptr<CreditCardEntryList> creditCardList =
       extensions::autofill_util::GenerateCreditCardList(*personal_data_);
   args.reset(
       api::autofill_private::OnCreditCardListChanged::Create(*creditCardList)
       .release());
   extension_event.reset(new Event(
+      events::UNKNOWN,
       api::autofill_private::OnCreditCardListChanged::kEventName, args.Pass()));
   event_router_->BroadcastEvent(extension_event.Pass());
 }
 
 void AutofillPrivateEventRouter::StartOrStopListeningForChanges() {
   if (!personal_data_ || !personal_data_->IsDataLoaded())
     return;
 
   bool should_listen_for_address_changes = event_router_->HasEventListener(
       api::autofill_private::OnAddressListChanged::kEventName);
   bool should_listen_for_credit_card_changes = event_router_->HasEventListener(
       api::autofill_private::OnCreditCardListChanged::kEventName);
   bool should_listen = should_listen_for_address_changes ||
       should_listen_for_credit_card_changes;
 
   if (should_listen && !listening_)
     personal_data_->AddObserver(this);
   else if (!should_listen && listening_)
     personal_data_->RemoveObserver(this);
 
   listening_ = should_listen;
 }
 
 AutofillPrivateEventRouter* AutofillPrivateEventRouter::Create(
     content::BrowserContext* context) {
   return new AutofillPrivateEventRouter(context);
 }
 
 }  // namespace extensions