DevTools: Fix Network panel warning icon display when offline/throttled

third_party/WebKit/Source/devtools/front_end/network/NetworkPanel.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 97 matching lines @@
     this._networkLogView.addEventListener(
         Network.NetworkLogView.Events.SearchIndexUpdated, this._onSearchIndexUpdated, this);
     this._networkLogView.addEventListener(Network.NetworkLogView.Events.UpdateRequest, this._onUpdateRequest, this);
 
     Components.DataSaverInfobar.maybeShowInPanel(this);
 
     var blockedURLsSetting = Common.moduleSetting('networkBlockedURLs');
     blockedURLsSetting.addChangeListener(updateIconVisibility.bind(this));
     var requestBlockingEnabledSetting = Common.moduleSetting('requestBlockingEnabled');
     requestBlockingEnabledSetting.addChangeListener(updateIconVisibility.bind(this));
+    SDK.multitargetNetworkManager.addEventListener(
+        SDK.MultitargetNetworkManager.Events.ConditionsChanged, updateIconVisibility.bind(this));
 
     updateIconVisibility.call(this);
 
     /**
      * @this {Network.NetworkPanel}
      */
     function updateIconVisibility() {
       var icon = null;
       if (SDK.multitargetNetworkManager.isThrottling()) {
         icon = UI.Icon.create('smallicon-warning');
@@ skipping 641 matching lines @@
    * @param {string} actionId
    * @return {boolean}
    */
   handleAction(context, actionId) {
     var panel = UI.context.flavor(Network.NetworkPanel);
     console.assert(panel && panel instanceof Network.NetworkPanel);
     panel._toggleRecording();
     return true;
   }
 };