shelf: Allow dragging items from main shelf to overflow shelf.

ash/test/shelf_view_test_api.h

Index: ash/test/shelf_view_test_api.h
diff --git a/ash/test/shelf_view_test_api.h b/ash/test/shelf_view_test_api.h
index fbb35c2c1faff89802ce6aed36f187fbfc169222..034068e97cd7c1911d9cabd10ca2faffbbcbf7a1 100644
--- a/ash/test/shelf_view_test_api.h
+++ b/ash/test/shelf_view_test_api.h
@@ -116,8 +116,9 @@ class ShelfViewTestAPI {
   // Returns true if item is ripped off.
   bool IsRippedOffFromShelf();
 
-  // Returns true if an item is ripped off and entered into shelf.
-  bool DraggedItemFromOverflowToShelf();
+  // Returns true if an item is ripped off one shelf and entered into other

[msw, 2017/04/17 19:29:10]

nit: // True when an item is dragged from one shelf to another (eg. overflow).

[sammiequon, 2017/04/17 23:42:29]

Done.

+  // shelf.
+  bool DraggedItemFromShelfToOtherShelf();

[msw, 2017/04/17 19:29:10]

nit: rename to match member name

[sammiequon, 2017/04/17 23:42:29]

Done.

 
   // An accessor for |shelf_button_pressed_metric_tracker_|.
   ShelfButtonPressedMetricTracker* shelf_button_pressed_metric_tracker();