[Devtools] Fixed network indicator icon for throttling

third_party/WebKit/Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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 183 matching lines @@
     new Persistence.FileSystemWorkspaceBinding(Workspace.isolatedFileSystemManager, Workspace.workspace);
     Persistence.persistence =
         new Persistence.Persistence(Workspace.workspace, Bindings.breakpointManager, Workspace.fileSystemMapping);
 
     new Main.OverlayController();
     new Main.ExecutionContextSelector(SDK.targetManager, UI.context);
     Bindings.blackboxManager = new Bindings.BlackboxManager(Bindings.debuggerWorkspaceBinding);
 
     new Main.Main.PauseListener();
     new Main.Main.InspectedNodeRevealer();
+    new Main.NetworkPanelIndicator();
     new Main.SourcesPanelIndicator();
     new Main.BackendSettingsSync();
     Components.domBreakpointsSidebarPane = new Components.DOMBreakpointsSidebarPane();
 
     UI.actionRegistry = new UI.ActionRegistry();
     UI.shortcutRegistry = new UI.ShortcutRegistry(UI.actionRegistry, document);
     UI.ShortcutsScreen.registerShortcuts();
     this._registerForwardedShortcuts();
     this._registerMessageSinkListener();
     new Main.Main.InspectorDomainObserver();
@@ skipping 529 matching lines @@
     }
 
     var helpSubMenu = contextMenu.namedSubMenu('mainMenuHelp');
     helpSubMenu.appendAction('settings.documentation');
     if (Runtime.experiments.isEnabled('releaseNote'))
       helpSubMenu.appendItem('Release Notes', () => InspectorFrontendHost.openInNewTab(Help.latestReleaseNote().link));
     contextMenu.show();
   }
 };
 
+Main.NetworkPanelIndicator = class {
+  constructor() {
+    // TODO: we should not access network from other modules.
+    if (!UI.inspectorView.hasPanel('network'))
+      return;
+    var manager = SDK.multitargetNetworkManager;
+    manager.addEventListener(SDK.MultitargetNetworkManager.Events.ConditionsChanged, updateVisibility);
+    var blockedURLsSetting = Common.moduleSetting('networkBlockedURLs');
+    blockedURLsSetting.addChangeListener(updateVisibility);
+    var requestBlockingEnabledSetting = Common.moduleSetting('requestBlockingEnabled');
+    requestBlockingEnabledSetting.addChangeListener(updateVisibility);
+    updateVisibility();
+
+    function updateVisibility() {
+      var icon = null;
+      if (manager.isThrottling()) {
+        icon = UI.Icon.create('smallicon-warning');
+        icon.title = Common.UIString('Network throttling is enabled');
+      } else if (requestBlockingEnabledSetting.get() && blockedURLsSetting.get().length) {
+        icon = UI.Icon.create('smallicon-warning');
+        icon.title = Common.UIString('Requests may be blocked');
+      }
+      UI.inspectorView.setPanelIcon('network', icon);
+    }
+  }
+};
+
 /**
  * @unrestricted
  */
 Main.SourcesPanelIndicator = class {
   constructor() {
     Common.moduleSetting('javaScriptDisabled').addChangeListener(javaScriptDisabledChanged);
     javaScriptDisabledChanged();
 
     function javaScriptDisabledChanged() {
       var icon = null;
@@ skipping 190 matching lines @@
    * @override
    * @return {?Element}
    */
   settingElement() {
     return UI.SettingsUI.createSettingCheckbox(
         Common.UIString('Show rulers'), Common.moduleSetting('showMetricsRulers'));
   }
 };
 
 new Main.Main();