[ash] Add TYPE_DIALOG and its item's LauncherContextMenu

chrome/browser/ui/ash/launcher/launcher_context_menu.h

Index: chrome/browser/ui/ash/launcher/launcher_context_menu.h
diff --git a/chrome/browser/ui/ash/launcher/launcher_context_menu.h b/chrome/browser/ui/ash/launcher/launcher_context_menu.h
index bf73f1feaac7f0803f73d88ecc46dc5f16e873f7..a3e4ece82cf23794a22a0d9f3636b4f450b7e5f9 100644
--- a/chrome/browser/ui/ash/launcher/launcher_context_menu.h
+++ b/chrome/browser/ui/ash/launcher/launcher_context_menu.h
@@ -14,6 +14,10 @@
 
 class ChromeLauncherController;
 
+namespace ash {
+class ShelfItemDelegate;
+}
+
 namespace aura {
 class Window;
 }
@@ -31,6 +35,13 @@ class LauncherContextMenu : public ui::SimpleMenuModel,
   LauncherContextMenu(ChromeLauncherController* controller,
                       const ash::LauncherItem* item,
                       aura::Window* root_window);
+
+  // Creates a menu used by item created by ShelfWindowWatcher.
+  LauncherContextMenu(ChromeLauncherController* controller,
+                      ash::ShelfItemDelegate* item_delegate,
+                      ash::LauncherItem* item,
+                      aura::Window* root_window);
+
   // Creates a menu used as a desktop context menu on |root_window|.
   LauncherContextMenu(ChromeLauncherController* controller,
                       aura::Window* root_window);
@@ -90,6 +101,9 @@ class LauncherContextMenu : public ui::SimpleMenuModel,
 
   aura::Window* root_window_;
 
+  // Not owned.
+  ash::ShelfItemDelegate* item_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(LauncherContextMenu);
 };