[DevTools] Ability to emulate touch or user agent, even when device emulation is turned off.

Source/devtools/front_end/ResponsiveDesignView.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.
 
 /**
  * @constructor
  * @extends {WebInspector.VBox}
  * @implements {WebInspector.OverridesSupport.PageResizer}
  * @param {!WebInspector.InspectedPagePlaceholder} inspectedPagePlaceholder
  */
@@ skipping 394 matching lines @@
         this._swapDimensionsElement = fieldsetElement.createChild("button", "responsive-design-icon responsive-design-icon-swap");
         this._swapDimensionsElement.title = WebInspector.UIString("Swap dimensions");
         this._swapDimensionsElement.addEventListener("click", WebInspector.overridesSupport.swapDimensions.bind(WebInspector.overridesSupport), false);
 
         fieldsetElement.createChild("div", "responsive-design-icon responsive-design-icon-dpr").title = WebInspector.UIString("Device pixel ratio");
         fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceScaleFactor, true, 4, "2.5em", WebInspector.OverridesSupport.doubleInputValidator, true));
 
         // Touch and viewport.
         this._touchSection = document.createElementWithClass("div", "responsive-design-section");
         fieldsetElement = WebInspector.SettingsUI.createSettingFieldset(WebInspector.overridesSupport.settings.emulateDevice);
-        fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingCheckbox(WebInspector.UIString("Touch"), WebInspector.overridesSupport.settings.emulateTouchEvents, true));
+        if (!WebInspector.overridesSupport.hasTouchInputs())
+            fieldsetElement.appendChild(WebInspector.SettingsUI.createSettingCheckbox(WebInspector.UIString("Touch"), WebInspector.overridesSupport.settings.deviceTouch, true));
         var viewportCheckbox = WebInspector.SettingsUI.createSettingCheckbox(WebInspector.UIString("Mobile"), WebInspector.overridesSupport.settings.emulateViewport, true);
         viewportCheckbox.title = WebInspector.UIString("Enable meta viewport, overlay scrollbars and default 980px body width");
         fieldsetElement.appendChild(viewportCheckbox);
         this._touchSection.appendChild(fieldsetElement);
 
         // Network.
         this._networkSection = document.createElementWithClass("div", "responsive-design-section responsive-design-network");
         var networkCheckbox = WebInspector.SettingsUI.createSettingCheckbox(WebInspector.UIString("Bandwidth"), WebInspector.overridesSupport.settings.emulateNetworkConditions, true);
         this._networkSection.appendChild(networkCheckbox);
         this._networkSection.appendChild(WebInspector.overridesSupport.createNetworkThroughputSelect(document));
 
         this._userAgentSection = document.createElementWithClass("div", "responsive-design-section responsive-design-user-agent-section");
-        this._userAgentSection.appendChild(WebInspector.SettingsUI.createSettingLabel(WebInspector.UIString("User Agent:"), WebInspector.overridesSupport.settings.userAgent, 25, "200px", WebInspector.overridesSupport.settings.overrideUserAgent, WebInspector.UIString("no override")));
+        this._userAgentSection.appendChild(WebInspector.SettingsUI.createSettingLabel(WebInspector.UIString("User Agent:"), WebInspector.overridesSupport.settings.deviceUserAgent, 25, "200px", WebInspector.UIString("no override")));
 
         updateNetworkCheckboxTitle();
         WebInspector.overridesSupport.settings.networkConditionsDomains.addChangeListener(updateNetworkCheckboxTitle);
 
         function updateNetworkCheckboxTitle()
         {
             var domains = WebInspector.overridesSupport.settings.networkConditionsDomains.get();
             if (!domains.trim()) {
                 networkCheckbox.title = WebInspector.UIString("Limit for all domains");
             } else {
@@ skipping 36 matching lines @@
         if (this._warningMessage.textContent === message)
             return;
         this._warningMessage.classList.toggle("hidden", !message);
         this._warningMessage.textContent = message;
         this._invalidateCache();
         this.onResize();
     },
 
     __proto__: WebInspector.VBox.prototype
 };