Merge 67646 - BlobData should be copied for it to be used cross-thread in Thr...

LayoutTests/fast/files/apply-blob-url-to-img.html

Index: LayoutTests/fast/files/apply-blob-url-to-img.html
===================================================================
--- LayoutTests/fast/files/apply-blob-url-to-img.html	(revision 67660)
+++ LayoutTests/fast/files/apply-blob-url-to-img.html	(working copy)
@@ -29,10 +29,17 @@
         layoutTestController.notifyDone();
 }
 
+function moveMouseToCenterOfElement(element)
+{
+    var centerX = element.offsetLeft + element.offsetWidth / 2;
+    var centerY = element.offsetTop + element.offsetHeight / 2;
+    eventSender.mouseMoveTo(centerX, centerY);
+}
+
 function runTests()
 {
     eventSender.beginDragWithFiles(['resources/abe.png']);
-    eventSender.mouseMoveTo(10, 10);
+    moveMouseToCenterOfElement(document.getElementById('file'));
     eventSender.mouseUp();
 }