[DevTools] Fix emulation drawer button styles.

Source/devtools/front_end/main/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 195 matching lines @@
 }
 
 WebInspector.OverridesView.DeviceTab.prototype = {
     _createDeviceElement: function()
     {
         var fieldsetElement = document.createElement("fieldset");
         fieldsetElement.id = "metrics-override-section";
 
         var deviceModelElement = fieldsetElement.createChild("p", "overrides-device-model-section");
         deviceModelElement.createChild("span").textContent = WebInspector.UIString("Model:");
-        deviceModelElement.appendChild(WebInspector.OverridesUI.createDeviceSelect(document, this._showTitleDialog.bind(this)));
+
+        var deviceSelectElement = WebInspector.OverridesUI.createDeviceSelect(document, this._showTitleDialog.bind(this));
+        var buttons = deviceSelectElement.querySelectorAll("button");
+        for (var i = 0; i < buttons.length; ++i)
+            buttons[i].classList.add("settings-tab-text-button");
+        deviceModelElement.appendChild(deviceSelectElement);
 
         var emulateResolutionCheckbox = WebInspector.SettingsUI.createSettingCheckbox(WebInspector.UIString("Emulate screen resolution"), WebInspector.overridesSupport.settings.emulateResolution, true);
         fieldsetElement.appendChild(emulateResolutionCheckbox);
         var resolutionFieldset = WebInspector.SettingsUI.createSettingFieldset(WebInspector.overridesSupport.settings.emulateResolution);
         fieldsetElement.appendChild(resolutionFieldset);
 
         var tableElement = resolutionFieldset.createChild("table", "nowrap");
         var rowElement = tableElement.createChild("tr");
         var cellElement = rowElement.createChild("td");
         cellElement.appendChild(document.createTextNode(WebInspector.UIString("Resolution:")));
@@ skipping 494 matching lines @@
 
 WebInspector.OverridesView.Revealer.prototype = {
     /**
      * @param {!Object} overridesSupport
      */
     reveal: function(overridesSupport)
     {
         WebInspector.inspectorView.showViewInDrawer("emulation");
     }
 }