Tracking push events for lucid sleep

extensions/browser/notification_types.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_NOTIFICATION_TYPES_H_
 #define EXTENSIONS_BROWSER_NOTIFICATION_TYPES_H_
 
 #include "content/public/browser/notification_types.h"
 
 #if !defined(ENABLE_EXTENSIONS)
@@ skipping 191 matching lines @@
 
   // The extension updater found an update and will attempt to download and
   // install it. The source is a BrowserContext*, and the details are an
   // extensions::UpdateDetails object with the extension id and version of the
   // found update.
   NOTIFICATION_EXTENSION_UPDATE_FOUND,
 
   // Sent when there are new user scripts available.  The details are a
   // pointer to SharedMemory containing the new scripts.
   NOTIFICATION_USER_SCRIPTS_UPDATED,
+
+  // Sent when a message is dispatched to an extension renderer.  The source is
+  // a BrowserContext* the details are an EventRouter::DispatchDetails.
+  NOTIFICATION_EXTENSION_MESSAGE_DISPATCHED,
+
+  // Sent when a previously dispatched message is acked by the extension
+  // renderer.  The source is a BrowserContext* and the details are an int
+  // hoding the message id.

[Ken Rockot(use gerrit already), 2015/01/08 01:24:02]

nit: "holding" I assume

+  NOTIFICATION_EXTENSION_MESSAGE_ACKED,
+
   NOTIFICATION_EXTENSIONS_END
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_NOTIFICATION_TYPES_H_