[DevTools] Remove external device list update.

Source/devtools/front_end/emulation/DevicesSettingsTab.js

Index: Source/devtools/front_end/emulation/DevicesSettingsTab.js
diff --git a/Source/devtools/front_end/emulation/DevicesSettingsTab.js b/Source/devtools/front_end/emulation/DevicesSettingsTab.js
index 5c9de531287f9eeb77beba0422243836471fd519..f6fe57cddc6bd1b00a1e22887e120775680cba9e 100644
--- a/Source/devtools/front_end/emulation/DevicesSettingsTab.js
+++ b/Source/devtools/front_end/emulation/DevicesSettingsTab.js
@@ -24,9 +24,6 @@ WebInspector.DevicesSettingsTab = function()
     var buttonsRow = this.containerElement.createChild("div", "devices-button-row");
     this._addCustomButton = createTextButton(WebInspector.UIString("Add custom device..."), this._addCustomDevice.bind(this));
     buttonsRow.appendChild(this._addCustomButton);
-    this._updateStandardButton = createTextButton("", this._updateStandardDevices.bind(this));
-    if (Runtime.experiments.isEnabled("externalDeviceList"))
-        buttonsRow.appendChild(this._updateStandardButton);
 
     this._editDevice = null;
     this._editDeviceListItem = null;
@@ -35,7 +32,6 @@ WebInspector.DevicesSettingsTab = function()
     this._muteUpdate = false;
     WebInspector.emulatedDevicesList.addEventListener(WebInspector.EmulatedDevicesList.Events.CustomDevicesUpdated, this._devicesUpdated, this);
     WebInspector.emulatedDevicesList.addEventListener(WebInspector.EmulatedDevicesList.Events.StandardDevicesUpdated, this._devicesUpdated, this);
-    WebInspector.emulatedDevicesList.addEventListener(WebInspector.EmulatedDevicesList.Events.IsUpdatingChanged, this._isUpdatingChanged, this);
 }
 
 WebInspector.DevicesSettingsTab.prototype = {
@@ -43,7 +39,6 @@ WebInspector.DevicesSettingsTab.prototype = {
     {
         WebInspector.VBox.prototype.wasShown.call(this);
         this._devicesUpdated();
-        this._isUpdatingChanged();
         this._stopEditing();
     },
 
@@ -68,17 +63,6 @@ WebInspector.DevicesSettingsTab.prototype = {
             this._devicesList.appendChild(this._createDeviceListItem(devices[i], false));
     },
 
-    _isUpdatingChanged: function()
-    {
-        if (WebInspector.emulatedDevicesList.isUpdating()) {
-            this._updateStandardButton.textContent = WebInspector.UIString("Updating...");
-            this._updateStandardButton.disabled = true;
-        } else {
-            this._updateStandardButton.textContent = WebInspector.UIString("Update devices");
-            this._updateStandardButton.disabled = false;
-        }
-    },
-
     _updateSeparatorVisibility: function()
     {
         this._customListSearator.classList.toggle("hidden", this._devicesList.firstChild === this._customListSearator);
@@ -317,10 +301,5 @@ WebInspector.DevicesSettingsTab.prototype = {
         this._addCustomButton.focus();
     },
 
-    _updateStandardDevices: function()
-    {
-        WebInspector.emulatedDevicesList.update();
-    },
-
     __proto__: WebInspector.VBox.prototype
 }