[Win] App launcher drag/drop.

ui/app_list/app_list_view_delegate.h

Index: ui/app_list/app_list_view_delegate.h
diff --git a/ui/app_list/app_list_view_delegate.h b/ui/app_list/app_list_view_delegate.h
index 1e1150bdf867c41ff36630032e028d2046b9da95..32de15a7649a0bb2b22db3249cdaf1a6a021ed70 100644
--- a/ui/app_list/app_list_view_delegate.h
+++ b/ui/app_list/app_list_view_delegate.h
@@ -5,9 +5,14 @@
 #ifndef UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 #define UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
+#include "base/callback.h"

[xiyuan, 2013/06/19 05:41:38]

nit: callback_forward.h here and callback.h in cc

[koz (OOO until 15th September), 2013/06/19 07:55:08]

Done.

 #include "base/strings/string16.h"
 #include "ui/app_list/app_list_export.h"
 
+namespace base {
+class FilePath;
+}
+
 namespace gfx {
 class ImageSkia;
 }
@@ -31,6 +36,12 @@ class APP_LIST_EXPORT AppListViewDelegate {
   // Gets the SigninDelegate for the app list. Owned by the AppListViewDelegate.
   virtual SigninDelegate* GetSigninDelegate() = 0;
 
+  // Gets a path to a shortcut for the given app. Returns asynchronously as the
+  // shortcut may not exist yet.
+  virtual void GetShortcutPathForApp(
+      const std::string& app_id,
+      base::Callback<void(const base::FilePath&)> callback) = 0;
+
   // Invoked when an AppListeItemModelView is activated by click or enter key.
   virtual void ActivateAppListItem(AppListItemModel* item,
                                    int event_flags) = 0;