Implemented completion pings for component updates.

chrome/browser/component_updater/component_updater_service_observer.cc

Index: chrome/browser/component_updater/component_updater_service_observer.cc
diff --git a/chrome/browser/component_updater/component_updater_service_observer.cc b/chrome/browser/component_updater/component_updater_service_observer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cf4b893d788afd22e9480dd5a62d03839f121e34
--- /dev/null
+++ b/chrome/browser/component_updater/component_updater_service_observer.cc
@@ -0,0 +1,30 @@
+// Copyright (c) 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/component_updater/component_updater_service_observer.h"
+#include "chrome/browser/component_updater/crx_update_item.h"
+#include "chrome/browser/component_updater/ping_sender.h"
+
+namespace component_updater {
+
+ComponentUpdaterServiceObserver::ComponentUpdaterServiceObserver(
+    ComponentUpdateService::Configurator* config)
+    : config_(config) {
+}
+
+ComponentUpdaterServiceObserver::~ComponentUpdaterServiceObserver() {
+}
+
+// Sends a fire and forget ping when the updates are complete. The ping
+// sender object self-deletes after sending the ping.
+void ComponentUpdaterServiceObserver::OnEvent(Events event,
+                                              const CrxUpdateItem* item) {
+  if (event == kEventUpdateComplete) {
+    component_updater::PingSender* ping_sender(new PingSender(config_));
+    ping_sender->SendPing(item);
+  }
+}
+
+}  // namespace component_updater
+