<label> element should send key and focus events if it has contenteditable attribute.

LayoutTests/fast/forms/resources/label-test-util.js

 // This file contains functions for testing the label element.
 
 var withNoLabel = 0;
 var withParentLabel = 1;
 var withSiblingLabel = 2;
 var withSibling2Label = 4;
 
 // Populate dom tree and returns test data.
 function setupLabelsTest(labelRelation, preHtml, postHtml)
 {
@@ skipping 52 matching lines @@
 
         getLabelableElementData: function (name)
         {
             var data = dataSet[name];
             return data && data.element.labels ? data : null;
         },
 
         outerElement: document.getElementById('div1'),
     };
 }
+
+function mouseMoveToLabel(labelId) {
+    var label = document.getElementById(labelId);
+    var itemHeight = Math.floor(label.offsetHeight / label.size);
+    var offset = 5;
+    if (window.eventSender)
+        eventSender.mouseMoveTo(label.offsetLeft + offset, label.offsetTop + offset - window.pageYOffset);
+}