DevTools: cleanup button styles

third_party/WebKit/Source/devtools/front_end/devices/DevicesView.js

 // Copyright 2015 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.
 /**
  * @unrestricted
  */
 Devices.DevicesView = class extends UI.VBox {
   constructor() {
     super(true);
     this.registerRequiredCSS('devices/devicesView.css');
@@ skipping 773 matching lines @@
   }
 
   /**
    * @return {!Devices.DevicesView.PageSection}
    */
   _createPageSection() {
     var element = createElementWithClass('div', 'vbox');
 
     var titleRow = element.createChild('div', 'device-page-title-row');
     var title = titleRow.createChild('div', 'device-page-title');
-    var inspect =
-        UI.createTextButton(Common.UIString('Inspect'), doAction.bind(null, 'inspect'), 'device-inspect-button');
+    var inspect = UI.createTextButton(Common.UIString('Inspect'), doAction.bind(null, 'inspect'));
     titleRow.appendChild(inspect);
 
     var toolbar = new UI.Toolbar('');
     toolbar.appendToolbarItem(new UI.ToolbarMenuButton(appendActions));
     titleRow.appendChild(toolbar.element);
 
     var url = element.createChild('div', 'device-page-url');
     var section = {page: null, element: element, title: title, url: url, inspect: inspect};
     return section;
 
@@ skipping 127 matching lines @@
 
   /**
    * @param {!Common.Event} event
    */
   _devicesDiscoveryConfigChanged(event) {
     this._config = /** @type {!Adb.Config} */ (event.data);
     this._networkDiscoveryView.discoveryConfigChanged(
         this._config.networkDiscoveryEnabled, this._config.networkDiscoveryConfig);
   }
 };