Set up the infrastructure for Extension event metrics.

chrome/browser/extensions/api/gcm/gcm_api.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/extensions/api/gcm/gcm_api.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 197 matching lines @@
 void GcmJsEventRouter::OnMessage(
     const std::string& app_id,
     const gcm::GCMClient::IncomingMessage& message) {
   api::gcm::OnMessage::Message message_arg;
   message_arg.data.additional_properties = message.data;
   if (!message.sender_id.empty())
     message_arg.from.reset(new std::string(message.sender_id));
   if (!message.collapse_key.empty())
     message_arg.collapse_key.reset(new std::string(message.collapse_key));
 
-  scoped_ptr<Event> event(new Event(
-      api::gcm::OnMessage::kEventName,
-      api::gcm::OnMessage::Create(message_arg).Pass(),
-      profile_));
+  scoped_ptr<Event> event(
+      new Event(events::UNKNOWN, api::gcm::OnMessage::kEventName,
+                api::gcm::OnMessage::Create(message_arg).Pass(), profile_));
   EventRouter::Get(profile_)->DispatchEventToExtension(app_id, event.Pass());
 }
 
 void GcmJsEventRouter::OnMessagesDeleted(const std::string& app_id) {
-  scoped_ptr<Event> event(new Event(
-      api::gcm::OnMessagesDeleted::kEventName,
-      api::gcm::OnMessagesDeleted::Create().Pass(),
-      profile_));
+  scoped_ptr<Event> event(
+      new Event(events::UNKNOWN, api::gcm::OnMessagesDeleted::kEventName,
+                api::gcm::OnMessagesDeleted::Create().Pass(), profile_));
   EventRouter::Get(profile_)->DispatchEventToExtension(app_id, event.Pass());
 }
 
 void GcmJsEventRouter::OnSendError(
     const std::string& app_id,
     const gcm::GCMClient::SendErrorDetails& send_error_details) {
   api::gcm::OnSendError::Error error;
   error.message_id.reset(new std::string(send_error_details.message_id));
   error.error_message = GcmResultToError(send_error_details.result);
   error.details.additional_properties = send_error_details.additional_data;
 
-  scoped_ptr<Event> event(new Event(
-      api::gcm::OnSendError::kEventName,
-      api::gcm::OnSendError::Create(error).Pass(),
-      profile_));
+  scoped_ptr<Event> event(
+      new Event(events::UNKNOWN, api::gcm::OnSendError::kEventName,
+                api::gcm::OnSendError::Create(error).Pass(), profile_));
   EventRouter::Get(profile_)->DispatchEventToExtension(app_id, event.Pass());
 }
 
 }  // namespace extensions