DevTools: fix changing of cursor while dragging

Source/devtools/front_end/ui/UIUtils.js

Index: Source/devtools/front_end/ui/UIUtils.js
diff --git a/Source/devtools/front_end/ui/UIUtils.js b/Source/devtools/front_end/ui/UIUtils.js
index 7cad9bb9a171c9362c7611aa9f8dc75774343cd0..af356a2b945084f1c9251b3ee17678352ee56e06 100644
--- a/Source/devtools/front_end/ui/UIUtils.js
+++ b/Source/devtools/front_end/ui/UIUtils.js
@@ -78,8 +78,18 @@ WebInspector.elementDragStart = function(elementDragStart, elementDrag, elementD
     targetDocument.addEventListener("mouseup", WebInspector._elementDragEnd, true);
     targetDocument.addEventListener("mouseout", WebInspector._mouseOutWhileDragging, true);
 
-    targetDocument.body.style.cursor = cursor;
-
+    var targetElement = /** @type {!Element} */ (event.target);
+    if (typeof cursor === "string") {
+        WebInspector._restoreCursorAfterDrag = restoreCursor.bind(null, targetElement.style.cursor);
+        targetElement.style.cursor = cursor;
+        document.body.style.cursor = cursor;
+    }
+    function restoreCursor(oldCursor)
+    {
+        targetDocument.body.style.removeProperty("cursor");
+        targetElement.style.cursor = oldCursor;

[vsevik, 2014/10/23 08:03:59]

Shouldn't this be behind if (oldcursor) ? 

+        WebInspector._restoreCursorAfterDrag = null;
+    }
     event.preventDefault();
 }
 
@@ -116,7 +126,8 @@ WebInspector._cancelDragEvents = function(event)
     targetDocument.removeEventListener("mouseup", WebInspector._elementDragEnd, true);
     WebInspector._unregisterMouseOutWhileDragging();
 
-    targetDocument.body.style.removeProperty("cursor");
+    if (WebInspector._restoreCursorAfterDrag)
+        WebInspector._restoreCursorAfterDrag();
 
     if (WebInspector._elementDraggingGlassPane)
         WebInspector._elementDraggingGlassPane.dispose();