ash: Convert ShelfDelegate to use WmShelf* instead of Shelf*

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

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
index d3007c6c4b2bedf325f07f07aeb14e13206a9931..dbffd9e264e27b7ef31d8dbb27b5fd291d0ca682 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller_impl.h
@@ -149,12 +149,12 @@ class ChromeLauncherControllerImpl
   }
 
   // ash::ShelfDelegate:
-  void OnShelfCreated(ash::Shelf* shelf) override;
-  void OnShelfDestroyed(ash::Shelf* shelf) override;
-  void OnShelfAlignmentChanged(ash::Shelf* shelf) override;
-  void OnShelfAutoHideBehaviorChanged(ash::Shelf* shelf) override;
-  void OnShelfAutoHideStateChanged(ash::Shelf* shelf) override;
-  void OnShelfVisibilityStateChanged(ash::Shelf* shelf) override;
+  void OnShelfCreated(ash::WmShelf* shelf) override;
+  void OnShelfDestroyed(ash::WmShelf* shelf) override;
+  void OnShelfAlignmentChanged(ash::WmShelf* shelf) override;
+  void OnShelfAutoHideBehaviorChanged(ash::WmShelf* shelf) override;
+  void OnShelfAutoHideStateChanged(ash::WmShelf* shelf) override;
+  void OnShelfVisibilityStateChanged(ash::WmShelf* shelf) override;
   ash::ShelfID GetShelfIDForAppID(const std::string& app_id) override;
   bool HasShelfIDToAppIDMapping(ash::ShelfID id) const override;
   const std::string& GetAppIDForShelfID(ash::ShelfID id) override;