Remove update icon after user confirms download

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 450 matching lines @@
 
     // Callback should run anyway, regardless of whether DBus call to enable
     // update over cellular succeeded or failed.
     callback.Run();
   }
 
   // Called when a response for SetUpdateOverCellularPermission() is received.
   void OnSetUpdateOverCellularTarget(
       const SetUpdateOverCellularTargetCallback& callback,
       dbus::Response* response) {
+    bool success = true;
     if (!response) {
+      success = false;
       LOG(ERROR) << update_engine::kSetUpdateOverCellularTarget
                  << " call failed";
-      callback.Run(false);
-      return;
     }
-    callback.Run(true);
+
+    for (auto& observer : observers_) {
+      observer.OnUpdateOverCellularTargetSet(success);
+    }
+
+    callback.Run(success);
   }
 
   // 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 231 matching lines @@
   const char** cix = std::find(
       kReleaseChannelsList,
       kReleaseChannelsList + arraysize(kReleaseChannelsList), current_channel);
   const char** tix = std::find(
       kReleaseChannelsList,
       kReleaseChannelsList + arraysize(kReleaseChannelsList), target_channel);
   return tix > cix;
 }
 
 }  // namespace chromeos