Implemented completion pings for component updates.

chrome/browser/component_updater/component_updater_ping_manager.h

Index: chrome/browser/component_updater/component_updater_ping_manager.h
diff --git a/chrome/browser/component_updater/component_updater_ping_manager.h b/chrome/browser/component_updater/component_updater_ping_manager.h
new file mode 100644
index 0000000000000000000000000000000000000000..2d0c5d32915a0840acafbc3d7ac5bdd1f5737f4a
--- /dev/null
+++ b/chrome/browser/component_updater/component_updater_ping_manager.h
@@ -0,0 +1,43 @@
+// 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.
+
+#ifndef CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_PING_MANAGER_H_
+#define CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_PING_MANAGER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/component_updater/component_updater_service_observer.h"
+#include "url/gurl.h"
+
+namespace net {
+class URLRequestContextGetter;
+}  // namespace net
+
+namespace component_updater {
+
+// Provides an event sink for completion events from ComponentUpdaterService
+// and sends fire-and-forget pings when handling these events.
+class PingManager : public ComponentUpdaterServiceObserver {
+ public:
+  PingManager(const GURL& ping_url,
+              net::URLRequestContextGetter* url_request_context_getter);
+
+  virtual ~PingManager();
+
+ private:
+  // Overrides for ComponentUpdaterServiceObserver.
+  virtual void OnUpdateComplete(const CrxUpdateItem* item) OVERRIDE;
+
+  const GURL ping_url_;
+
+  // This member is not owned by this class.
+  net::URLRequestContextGetter* url_request_context_getter_;
+
+  DISALLOW_COPY_AND_ASSIGN(PingManager);
+};
+
+}  // namespace component_updater
+
+#endif  // CHROME_BROWSER_COMPONENT_UPDATER_COMPONENT_UPDATER_PING_MANAGER_H_
+