SearchBoxView now enables/disables cursor based on user interaction.

ui/app_list/views/app_list_view.cc

Index: ui/app_list/views/app_list_view.cc
diff --git a/ui/app_list/views/app_list_view.cc b/ui/app_list/views/app_list_view.cc
index 128b018f2dcde90c6ba3207842482f48d98945ee..35f6603a56888f22fb81250003ff20f889a3df29 100644
--- a/ui/app_list/views/app_list_view.cc
+++ b/ui/app_list/views/app_list_view.cc
@@ -516,6 +516,9 @@ void AppListView::UpdateDrag(const gfx::Point& location) {
 }
 
 void AppListView::EndDrag(const gfx::Point& location) {
+  // When the SearchBoxView closes the app list, ignore the final event.
+  if (app_list_state_ == CLOSED)
+    return;
   // Change the app list state based on where the drag ended. If fling velocity
   // was over the threshold, snap to the next state in the direction of the
   // fling.