Revert of Implementation of a full screen app list and re-alphabetized switches

chrome/browser/ui/ash/app_list/app_list_presenter_delegate_mus.cc

Index: chrome/browser/ui/ash/app_list/app_list_presenter_delegate_mus.cc
diff --git a/chrome/browser/ui/ash/app_list/app_list_presenter_delegate_mus.cc b/chrome/browser/ui/ash/app_list/app_list_presenter_delegate_mus.cc
index d82621be9f3a6d740d53277ee13bfedce35e77fb..1ca9e18149bbec2de5007e4ed65cefface2e084a 100644
--- a/chrome/browser/ui/ash/app_list/app_list_presenter_delegate_mus.cc
+++ b/chrome/browser/ui/ash/app_list/app_list_presenter_delegate_mus.cc
@@ -64,9 +64,8 @@
   // the only thing this is used for is choosing the right scale factor in
   // AppListMainView::PreloadIcons(), so we take care of that - perhaps by
   // passing the display_id or the scale factor directly
-  view->Initialize(nullptr /* parent */, current_apps_page);
-
-  view->MaybeSetAnchorPoint(
+  view->InitAsBubble(nullptr /* parent */, current_apps_page);
+  view->SetAnchorPoint(
       GetCenterOfDisplay(display_id, GetMinimumBoundsHeightForAppList(view)));
 
   // TODO(mfomitchev): Setup updating bounds on keyboard bounds change.