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 e81bfdf1aa8d02add9b10ea78b925744a929a4d3..25619fbfc96484c9dab472b4ee14d97cfcd3293e 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;

[koz (OOO until 15th September), 2013/05/08 02:00:39]

I don't think we want to set this to NULL because on Windows we don't create the
view each time we display the app list, rather we hold on to the first view and
show/hide it as needed.

[Mr4D (OOO till 08-26), 2013/05/08 02:53:35]

Done.

   if (delegate_)
     delegate_->Dismiss();
   else