Update shelf when overlapping dragged windows exist

ash/wm/dock/docked_window_layout_manager.cc

Index: ash/wm/dock/docked_window_layout_manager.cc
diff --git a/ash/wm/dock/docked_window_layout_manager.cc b/ash/wm/dock/docked_window_layout_manager.cc
index f4a2e2629b8225e442dd4d20bfe8a30714acf783..af51db038a805788be61c4989766a6550f5683cd 100644
--- a/ash/wm/dock/docked_window_layout_manager.cc
+++ b/ash/wm/dock/docked_window_layout_manager.cc
@@ -482,6 +482,10 @@ void DockedWindowLayoutManager::SetChildBounds(
     const gfx::Rect& requested_bounds) {
   // Whenever one of our windows is moved or resized enforce layout.
   SetChildBoundsDirect(child, requested_bounds);
+  ShelfLayoutManager* shelf_layout = internal::ShelfLayoutManager::ForLauncher(
+      dock_container_->GetRootWindow());

[oshima, 2013/12/02 19:34:42]

ForLauncher takes a window, so you can just pass dock_container_ (or child)

[varkha, 2013/12/02 20:26:19]

Done.

+  if (shelf_layout)
+    shelf_layout->UpdateVisibilityState();
 }
 
 ////////////////////////////////////////////////////////////////////////////////