Renaming App List Shower to App List Presenter

ash/shell/shell_delegate_impl.h

Index: ash/shell/shell_delegate_impl.h
diff --git a/ash/shell/shell_delegate_impl.h b/ash/shell/shell_delegate_impl.h
index 6c3956798b88d5be563ab5971901e8b8da13933f..daead2658fd60fc2601b28db0264f4d8ea98ac8d 100644
--- a/ash/shell/shell_delegate_impl.h
+++ b/ash/shell/shell_delegate_impl.h
@@ -13,8 +13,8 @@
 #include "base/macros.h"
 
 namespace app_list {
-class AppListShowerDelegateFactory;
-class AppListShowerImpl;
+class AppListPresenterDelegateFactory;
+class AppListPresenterImpl;
 }
 
 namespace keyboard {
@@ -47,7 +47,7 @@ class ShellDelegateImpl : public ash::ShellDelegate {
   void RemoveVirtualKeyboardStateObserver(
       VirtualKeyboardStateObserver* observer) override;
   void OpenUrl(const GURL& url) override;
-  app_list::AppListShower* GetAppListShower() override;
+  app_list::AppListPresenter* GetAppListPresenter() override;
   ShelfDelegate* CreateShelfDelegate(ShelfModel* model) override;
   ash::SystemTrayDelegate* CreateSystemTrayDelegate() override;
   ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() override;
@@ -63,9 +63,9 @@ class ShellDelegateImpl : public ash::ShellDelegate {
 
  private:
   ShelfDelegateImpl* shelf_delegate_;
-  std::unique_ptr<app_list::AppListShowerDelegateFactory>
-      app_list_shower_delegate_factory_;
-  std::unique_ptr<app_list::AppListShowerImpl> app_list_shower_;
+  std::unique_ptr<app_list::AppListPresenterDelegateFactory>
+      app_list_presenter_delegate_factory_;
+  std::unique_ptr<app_list::AppListPresenterImpl> app_list_presenter_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellDelegateImpl);
 };