Merge remote branch 'origin/upstream' into tempbranch

frontend/client/src/autotest/common/DomUtils.java

+package autotest.common;
+
+import com.google.gwt.dom.client.Element;
+
+public class DomUtils {
+    public static void clearDomChildren(Element elem) {
+        Element child = elem.getFirstChildElement();
+        while (child != null) {
+            Element nextChild = child.getNextSiblingElement();
+            elem.removeChild(child);
+            child = nextChild;
+        }
+    }
+}