chromeos: Refactor shelf to create ShelfView earlier in startup

chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 
 #include "ash/multi_profile_uma.h"
 #include "ash/public/cpp/shelf_item.h"
 #include "ash/public/interfaces/constants.mojom.h"
 #include "ash/resources/grit/ash_resources.h"
@@ skipping 1230 matching lines @@
       app_list::AppListSyncableServiceFactory::GetForProfile(profile());
   if (app_service)
     app_service->RemoveObserver(this);
 
   PrefServiceSyncableFromProfile(profile())->RemoveObserver(this);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // ash::mojom::ShelfObserver:
 
-void ChromeLauncherController::OnShelfCreated(int64_t display_id) {
+void ChromeLauncherController::OnShelfInitialized(int64_t display_id) {
   if (!ConnectToShelfController())
     return;
 
   // The pref helper functions return default values for invalid display ids.
   PrefService* prefs = profile_->GetPrefs();
   shelf_controller_->SetAlignment(GetShelfAlignmentPref(prefs, display_id),
                                   display_id);
   shelf_controller_->SetAutoHideBehavior(
       GetShelfAutoHideBehaviorPref(prefs, display_id), display_id);
 }
@@ skipping 140 matching lines @@
           : IDS_ASH_SHELF_APP_LIST_LAUNCHER_TITLE);
 
   const int app_list_index = model_->GetItemIndexForType(ash::TYPE_APP_LIST);
   DCHECK_GE(app_list_index, 0);
   ash::ShelfItem item = model_->items()[app_list_index];
   if (item.title != title) {
     item.title = title;
     model_->Set(app_list_index, item);
   }
 }