[DevTools] Remove external device list update.

Source/devtools/front_end/emulation/OverridesUI.js

 // Copyright 2014 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.
 
 WebInspector.OverridesUI = {}
 
 /**
  * @return {!Element}
  */
 WebInspector.OverridesUI.createDeviceSelect = function()
 {
     var p = createElement("p");
 
     var deviceSelectElement = p.createChild("select");
     deviceSelectElement.addEventListener("change", deviceSelected, false);
 
     // This has to be object, not boolean, otherwise its value doesn't update properly.
     var emulatedSettingChangedMuted = { muted: false };
     WebInspector.overridesSupport.settings.emulateResolution.addChangeListener(emulatedSettingChanged);
     WebInspector.overridesSupport.settings.deviceWidth.addChangeListener(emulatedSettingChanged);
     WebInspector.overridesSupport.settings.deviceHeight.addChangeListener(emulatedSettingChanged);
     WebInspector.overridesSupport.settings.deviceScaleFactor.addChangeListener(emulatedSettingChanged);
     WebInspector.overridesSupport.settings.emulateMobile.addChangeListener(emulatedSettingChanged);
     WebInspector.overridesSupport.settings.emulateTouch.addChangeListener(emulatedSettingChanged);
     WebInspector.overridesSupport.settings.userAgent.addChangeListener(emulatedSettingChanged);
 
     WebInspector.emulatedDevicesList.addEventListener(WebInspector.EmulatedDevicesList.Events.CustomDevicesUpdated, deviceListChanged);
     WebInspector.emulatedDevicesList.addEventListener(WebInspector.EmulatedDevicesList.Events.StandardDevicesUpdated, deviceListChanged);
-    WebInspector.emulatedDevicesList.maybeAutoUpdate();
     deviceListChanged();
 
     function deviceSelected()
     {
         if (deviceSelectElement.selectedIndex === 0)
             return;
 
         var option = deviceSelectElement.options[deviceSelectElement.selectedIndex];
         emulatedSettingChangedMuted.muted = true;
         WebInspector.overridesSupport.emulateDevice(option.overridesDevice);
@@ skipping 290 matching lines @@
     {title: "iPhone \u2014 iOS 7", value: "Mozilla/5.0 (iPhone; CPU iPhone OS 7_0_2 like Mac OS X) AppleWebKit/537.51.1 (KHTML, like Gecko) Version/7.0 Mobile/11A4449d Safari/9537.53"},
     {title: "iPhone \u2014 iOS 6", value: "Mozilla/5.0 (iPhone; CPU iPhone OS 6_0 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) Version/6.0 Mobile/10A5376e Safari/8536.25"},
     {title: "MeeGo \u2014 Nokia N9", value: "Mozilla/5.0 (MeeGo; NokiaN9) AppleWebKit/534.13 (KHTML, like Gecko) NokiaBrowser/8.5.0 Mobile Safari/534.13"},
     {title: "Opera 18 \u2014 Mac", value: "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36 OPR/18.0.1284.68"},
     {title: "Opera 18 \u2014 Windows", value: "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36 OPR/18.0.1284.68"},
     {title: "Opera 12 \u2014 Mac", value: "Opera/9.80 (Macintosh; Intel Mac OS X 10.9.1) Presto/2.12.388 Version/12.16"},
     {title: "Opera 12 \u2014 Windows", value: "Opera/9.80 (Windows NT 6.1) Presto/2.12.388 Version/12.16"},
     {title: "Silk \u2014 Kindle Fire (Desktop view)", value: "Mozilla/5.0 (Linux; U; en-us; KFTHWI Build/JDQ39) AppleWebKit/535.19 (KHTML, like Gecko) Silk/3.13 Safari/535.19 Silk-Accelerated=true"},
     {title: "Silk \u2014 Kindle Fire (Mobile view)", value: "Mozilla/5.0 (Linux; U; Android 4.2.2; en-us; KFTHWI Build/JDQ39) AppleWebKit/535.19 (KHTML, like Gecko) Silk/3.13 Mobile Safari/535.19 Silk-Accelerated=true"}
 ];