ash: Rename more Launcher classes to Shelf*.

ash/shelf/shelf_item_delegate.h

Index: ash/shelf/shelf_item_delegate.h
diff --git a/ash/launcher/launcher_item_delegate.h b/ash/shelf/shelf_item_delegate.h
similarity index 86%
rename from ash/launcher/launcher_item_delegate.h
rename to ash/shelf/shelf_item_delegate.h
index c83de47b814e9b17aa3735afcafc726e0a30e3d3..129325bfcd2cbcc412be21f48357889302e8bf83 100644
--- a/ash/launcher/launcher_item_delegate.h
+++ b/ash/shelf/shelf_item_delegate.h
@@ -2,18 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_LAUNCHER_LAUNCHER_ITEM_DELEGATE_H_
-#define ASH_LAUNCHER_LAUNCHER_ITEM_DELEGATE_H_
+#ifndef ASH_SHELF_SHELF_ITEM_DELEGATE_H_
+#define ASH_SHELF_SHELF_ITEM_DELEGATE_H_
 
 #include "ash/ash_export.h"
-#include "ash/launcher/launcher_types.h"
 #include "base/strings/string16.h"
 #include "ui/base/models/simple_menu_model.h"
 
-namespace aura {
-class RootWindow;
-}
-
 namespace ui {
 class Event;
 }
@@ -35,9 +30,9 @@ class ASH_EXPORT LauncherMenuModel : public ui::SimpleMenuModel {
 };
 
 // Delegate for the LauncherItem.
-class ASH_EXPORT LauncherItemDelegate {
+class ASH_EXPORT ShelfItemDelegate {
  public:
-  virtual ~LauncherItemDelegate() {}
+  virtual ~ShelfItemDelegate() {}
 
   // Invoked when the user clicks on a window entry in the launcher.
   // |event| is the click event. The |event| is dispatched by a view
@@ -65,7 +60,7 @@ class ASH_EXPORT LauncherItemDelegate {
   //  - A list containing the title and the active list of items.
   // The caller takes ownership of the returned model.
   // |event_flags| specifies the flags of the event which triggered this menu.
-  virtual ash::LauncherMenuModel* CreateApplicationMenu(int event_flags) = 0;
+  virtual LauncherMenuModel* CreateApplicationMenu(int event_flags) = 0;
 
   // Whether the launcher item is draggable.
   virtual bool IsDraggable() = 0;
@@ -76,4 +71,4 @@ class ASH_EXPORT LauncherItemDelegate {
 
 }  // namespace ash
 
-#endif  // ASH_LAUNCHER_LAUNCHER_ITEM_DELEGATE_H_
+#endif  // ASH_SHELF_SHELF_ITEM_DELEGATE_H_