Merge pull request #5539 from probins/dom

Remove outdated comments re goog.dom

src/ol/map.js

@@ -1469,8 +1469,6 @@ ol.Map.createOptionsInternal = function(options) {
    */
   var keyboardEventTarget = null;
   if (options.keyboardEventTarget !== undefined) {
-    // cannot use goog.dom.getElement because its argument cannot be
-    // of type Document
     keyboardEventTarget = typeof options.keyboardEventTarget === 'string' ?
         document.getElementById(options.keyboardEventTarget) :
         options.keyboardEventTarget;

src/ol/xml.js

@@ -50,7 +50,6 @@ ol.xml.getAllTextContent_ = function(node, normalizeWhitespace, accumulator) {
   if (node.nodeType == Node.CDATA_SECTION_NODE ||
       node.nodeType == Node.TEXT_NODE) {
     if (normalizeWhitespace) {
-      // FIXME understand why goog.dom.getTextContent_ uses String here
       accumulator.push(String(node.nodeValue).replace(/(\r\n|\r|\n)/g, ''));
     } else {
       accumulator.push(node.nodeValue);