Incorporate comments in Dbus code and add Eol icon

chromeos/dbus/update_engine_client.cc

 // Copyright (c) 2012 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 "chromeos/dbus/update_engine_client.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
@@ skipping 367 matching lines @@
 
     // Validate the value of status
     if (status > update_engine::EndOfLifeStatus::kEol ||
         status < update_engine::EndOfLifeStatus::kSupported) {
       LOG(ERROR) << "Incorrect status value: " << status;
       callback.Run(update_engine::EndOfLifeStatus::kSupported);
       return;
     }
 
     VLOG(1) << "Eol status received: " << status;
-    callback.Run(status);
+    callback.Run(static_cast<update_engine::EndOfLifeStatus>(status));
   }
 
   // Called when a status update signal is received.
   void StatusUpdateReceived(dbus::Signal* signal) {
     VLOG(1) << "Status update signal received: " << signal->ToString();
     dbus::MessageReader reader(signal);
     int64_t last_checked_time = 0;
     double progress = 0.0;
     std::string current_operation;
     std::string new_version;
@@ skipping 211 matching lines @@
   auto cix = std::find(kReleaseChannelsList,
                        kReleaseChannelsList + arraysize(kReleaseChannelsList),
                        current_channel);
   auto tix = std::find(kReleaseChannelsList,
                        kReleaseChannelsList + arraysize(kReleaseChannelsList),
                        target_channel);
   return tix > cix;
 }
 
 }  // namespace chromeos