DevTools: NetworkPanel: show link where resource timing is explained.

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 182 matching lines @@
     WebInspector.OverridesView.Tab.call(this, "device", WebInspector.UIString("Device"),  [
         WebInspector.overridesSupport.settings.emulateResolution,
         WebInspector.overridesSupport.settings.deviceScaleFactor,
         WebInspector.overridesSupport.settings.emulateMobile
     ]);
     this.element.classList.add("overrides-device");
 
     this.element.appendChild(this._createDeviceElement());
 
     var footnote = this.element.createChild("p", "help-footnote");
-    var footnoteLink = footnote.createChild("a");
-    footnoteLink.href = "https://developers.google.com/chrome-developer-tools/docs/mobile-emulation";
-    footnoteLink.target = "_blank";
-    footnoteLink.createTextChild(WebInspector.UIString("More information about screen emulation"));
+    footnote.appendChild(WebInspector.createDocumentationAnchor("device-mode", WebInspector.UIString("More information about screen emulation")));
 }
 
 WebInspector.OverridesView.DeviceTab.prototype = {
     _createDeviceElement: function()
     {
         var fieldsetElement = createElement("fieldset");
         fieldsetElement.id = "metrics-override-section";
 
         var deviceModelElement = fieldsetElement.createChild("p", "overrides-device-model-section");
         deviceModelElement.createChild("span").textContent = WebInspector.UIString("Model:");
@@ skipping 514 matching lines @@
     /**
      * @param {!Object} overridesSupport
      * @return {!Promise}
      */
     reveal: function(overridesSupport)
     {
         WebInspector.inspectorView.showViewInDrawer("emulation");
         return Promise.resolve();
     }
 }