Move fast/events/drag-selects-culled-inlines.html to editing/selection/mouse

The layout test focuses on selection, and has nothing to do with events.
Hence, this patch moves it to editing/selection/mouse

Change-Id: I2993a1e8c0aa89d0f916964a860c378928cffcd7
Reviewed-on: https://chromium-review.googlesource.com/917702Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#536659}

third_party/WebKit/LayoutTests/fast/events/drag-selects-culled-inlines.html → third_party/WebKit/LayoutTests/editing/selection/mouse/drag-selects-culled-inlines.html

@@ -12,7 +12,7 @@
 <div id="console">
 </div>
 </p>
-<script src="../../resources/js-test.js"></script>
+<script src="../../../resources/js-test.js"></script>
 <script>
     jsTestIsAsync = true;
     var selectionComplete = false;
@@ -35,4 +35,4 @@
         eventSender.mouseUp();
         selectionComplete = true;
     }
-</script>
\ No newline at end of file
+</script>