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

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

Index: LayoutTests/fast/forms/resources/label-test-util.js
diff --git a/LayoutTests/fast/forms/resources/label-test-util.js b/LayoutTests/fast/forms/resources/label-test-util.js
index 1dd678312e1b7def66932ff5dc17adb43522dd38..3eeff74682f8f605874de3d1ba25014ea23c6bd4 100644
--- a/LayoutTests/fast/forms/resources/label-test-util.js
+++ b/LayoutTests/fast/forms/resources/label-test-util.js
@@ -70,3 +70,11 @@ function setupLabelsTest(labelRelation, preHtml, postHtml)
         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);
+}