[DevTools] Don't show UI for unavailable overrides.

Source/devtools/front_end/elements/OverridesView.js

 /*
  * Copyright (C) 2014 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 {
     WebInspector.VBox.call(this);
     this.registerRequiredCSS("overrides.css");
     this.registerRequiredCSS("helpScreen.css");
     this.element.classList.add("overrides-view");
 
     this._tabbedPane = new WebInspector.TabbedPane();
     this._tabbedPane.shrinkableTabs = false;
     this._tabbedPane.verticalTabLayout = true;
 
-    new WebInspector.OverridesView.DeviceTab().appendAsTab(this._tabbedPane);
-    new WebInspector.OverridesView.ViewportTab().appendAsTab(this._tabbedPane);
+    if (!WebInspector.overridesSupport.isInspectingDevice()) {
+        new WebInspector.OverridesView.DeviceTab().appendAsTab(this._tabbedPane);
+        new WebInspector.OverridesView.ViewportTab().appendAsTab(this._tabbedPane);
+    }
     new WebInspector.OverridesView.UserAgentTab().appendAsTab(this._tabbedPane);
     new WebInspector.OverridesView.SensorsTab().appendAsTab(this._tabbedPane);
 
     this._lastSelectedTabSetting = WebInspector.settings.createSetting("lastSelectedEmulateTab", "device");
     this._tabbedPane.selectTab(this._lastSelectedTabSetting.get());
     this._tabbedPane.addEventListener(WebInspector.TabbedPane.EventTypes.TabSelected, this._tabSelected, this);
     this._tabbedPane.show(this.element);
 
     this._warningFooter = this.element.createChild("div", "overrides-footer");
     this._overridesWarningUpdated();
@@ skipping 753 matching lines @@
     __proto__: WebInspector.OverridesView.Tab.prototype
 }
 
 
 /**
  * @constructor
  * @extends {WebInspector.OverridesView.Tab}
  */
 WebInspector.OverridesView.SensorsTab = function()
 {
-    WebInspector.OverridesView.Tab.call(this, "sensors", WebInspector.UIString("Sensors"), [WebInspector.overridesSupport.settings.emulateTouchEvents, WebInspector.overridesSupport.settings.overrideGeolocation, WebInspector.overridesSupport.settings.overrideDeviceOrientation]);
+    var settings = [WebInspector.overridesSupport.settings.overrideGeolocation, WebInspector.overridesSupport.settings.overrideDeviceOrientation];
+    if (!WebInspector.overridesSupport.hasTouchInputs())
+        settings.push(WebInspector.overridesSupport.settings.emulateTouchEvents);
+    WebInspector.OverridesView.Tab.call(this, "sensors", WebInspector.UIString("Sensors"), settings);
+
     this.element.classList.add("overrides-sensors");
     this.registerRequiredCSS("accelerometer.css");
     if (!WebInspector.overridesSupport.hasTouchInputs())
         this.element.appendChild(this._createSettingCheckbox(WebInspector.UIString("Emulate touch screen"), WebInspector.overridesSupport.settings.emulateTouchEvents));
     this._appendGeolocationOverrideControl();
     this._apendDeviceOrientationOverrideControl();
 }
 
 WebInspector.OverridesView.SensorsTab.prototype = {
     _appendGeolocationOverrideControl: function()
@@ skipping 246 matching lines @@
 
     __proto__ : WebInspector.OverridesView.Tab.prototype
 }
 
 /** @enum {string} */
 WebInspector.OverridesView.SensorsTab.DeviceOrientationModificationSource = {
     UserInput: "userInput",
     UserDrag: "userDrag",
     ResetButton: "resetButton"
 }