Revert of Only execute default actions on trusted events.

LayoutTests/fast/forms/range/slider-zoomed.html

Index: LayoutTests/fast/forms/range/slider-zoomed.html
diff --git a/LayoutTests/fast/forms/range/slider-zoomed.html b/LayoutTests/fast/forms/range/slider-zoomed.html
index efa0aefacb1266d7ccedcde5151330a732db82af..23a36814cd7bcda4929ba939ba9a9a0b5ed99714 100644
--- a/LayoutTests/fast/forms/range/slider-zoomed.html
+++ b/LayoutTests/fast/forms/range/slider-zoomed.html
@@ -18,14 +18,19 @@
     if (window.testRunner)
         testRunner.dumpAsText();
 
+    function dispatchEvent(eventType, clientX, clientY)
+    {
+      var ev = document.createEvent("MouseEvent");
+      ev.initMouseEvent(eventType, true, true, window, 1, 1, 1, clientX, clientY, false, false, false, false, 0, document);
+      var target = document.elementFromPoint(ev.clientX, ev.clientY);
+      target.dispatchEvent(ev);
+    }
+    
     function test()
     {
       // For some reason the slider needs mouseup/mousedown, not just a "click"
-      if (window.eventSender) {
-          eventSender.mouseMoveTo(150, 15);
-          eventSender.mouseDown(0);
-          eventSender.mouseUp(0);
-      }
+      dispatchEvent("mousedown", 150, 15);
+      dispatchEvent("mouseup", 150, 15);
 
       const expectedValue = 72;
       var val = document.getElementById('slider').value;
@@ -43,4 +48,4 @@
   <div id="results">
   </div>
 </body>
-</html>
+</html>