[DevTools] Rename "emulateViewport" to "mobile".

Source/devtools/front_end/elements/OverridesView.js

Index: Source/devtools/front_end/elements/OverridesView.js
diff --git a/Source/devtools/front_end/elements/OverridesView.js b/Source/devtools/front_end/elements/OverridesView.js
index 90cfa0e319c94143da6e88094f39308016d24a8e..2d68d7d38bfe36ed6df5c2fbf41db7555d75c5e2 100644
--- a/Source/devtools/front_end/elements/OverridesView.js
+++ b/Source/devtools/front_end/elements/OverridesView.js
@@ -193,7 +193,7 @@ WebInspector.OverridesView.DeviceTab = function()
     WebInspector.OverridesView.Tab.call(this, "device", WebInspector.UIString("Device"),  [
         WebInspector.overridesSupport.settings.emulateResolution,
         WebInspector.overridesSupport.settings.deviceScaleFactor,
-        WebInspector.overridesSupport.settings.emulateViewport
+        WebInspector.overridesSupport.settings.emulateMobile
     ]);
     this.element.classList.add("overrides-device");
 
@@ -245,9 +245,9 @@ WebInspector.OverridesView.DeviceTab.prototype = {
         rowElement.createChild("td").appendChild(document.createTextNode(WebInspector.UIString("Device pixel ratio:")));
         rowElement.createChild("td").appendChild(WebInspector.SettingsUI.createSettingInputField("", WebInspector.overridesSupport.settings.deviceScaleFactor, true, 4, "80px", WebInspector.OverridesSupport.deviceScaleFactorValidator, true, true, WebInspector.UIString("\u2013")));
 
-        var viewportCheckbox = this._createSettingCheckbox(WebInspector.UIString("Emulate mobile"), WebInspector.overridesSupport.settings.emulateViewport);
-        viewportCheckbox.title = WebInspector.UIString("Enable meta viewport, overlay scrollbars, text autosizing and default 980px body width");
-        fieldsetElement.appendChild(viewportCheckbox);
+        var mobileCheckbox = this._createSettingCheckbox(WebInspector.UIString("Emulate mobile"), WebInspector.overridesSupport.settings.emulateMobile);
+        mobileCheckbox.title = WebInspector.UIString("Enable meta viewport, overlay scrollbars, text autosizing and default 980px body width");
+        fieldsetElement.appendChild(mobileCheckbox);
 
         fieldsetElement.appendChild(this._createSettingCheckbox(WebInspector.UIString("Shrink to fit"), WebInspector.overridesSupport.settings.deviceFitWindow));