Revert of Delegate dragend to the correct frame's EventHandler.

third_party/WebKit/LayoutTests/fast/dnd/resources/event-mouse-coordinates.css

Index: third_party/WebKit/LayoutTests/fast/dnd/resources/event-mouse-coordinates.css
diff --git a/third_party/WebKit/LayoutTests/fast/dnd/resources/event-mouse-coordinates.css b/third_party/WebKit/LayoutTests/fast/dnd/resources/event-mouse-coordinates.css
deleted file mode 100644
index 781b9fc33a29b3a96b94d09e9cb5b66c74e52758..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/dnd/resources/event-mouse-coordinates.css
+++ /dev/null
@@ -1,24 +0,0 @@
-html, body {
-  margin: 0;
-  padding: 0;
-  display: block;
-  min-height: 400px;
-}
-.box {
-  display: block;
-  border: 1px solid black;
-  width: 100px;
-  height: 100px;
-}
-.dragged {
-  position: absolute;
-  left: 199px;  /* Get the box's client area at 200,100. */
-  top: 99px;
-  cursor: pointer;
-}
-.dropzone {
-  position: absolute;
-  left: 399px; /* Get the box's client area at 400,300. */
-  top: 299px;
-  border-style: dashed;
-}