Drag and drop between app list and launcher - First patch

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 b63cc27f6b0098f8e1087cedc827ecb837a01d90..0bb9534ee0453c0de0bc5195cd15e47b3bf02eb5 100644
--- a/ui/app_list/views/app_list_view.cc
+++ b/ui/app_list/views/app_list_view.cc
@@ -128,13 +128,19 @@ void AppListView::SetAnchorPoint(const gfx::Point& anchor_point) {
   SizeToContents();  // Repositions view relative to the anchor.
 }
 
+void AppListView::SetDragAndDropHostOfCurrentAppList(
+    app_list::ApplicationDragAndDropHost* drag_and_drop_host) {
+  CHECK(app_list_main_view_);
+  app_list_main_view_->SetDragAndDropHostOfCurrentAppList(drag_and_drop_host);
+}
+
 void AppListView::ShowWhenReady() {
   app_list_main_view_->ShowAppListWhenReady();
 }
 
 void AppListView::Close() {
   app_list_main_view_->Close();
-
+  app_list_main_view_ = NULL;
   if (delegate_)
     delegate_->Dismiss();
   else