chromeos: Refactor shelf to create ShelfView earlier in startup

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 336 matching lines @@
   void CloseWindowedAppsFromRemovedExtension(const std::string& app_id,
                                              const Profile* profile);
 
   // Attach to a specific profile.
   void AttachProfile(Profile* profile_to_attach);
 
   // Forget the current profile to allow attaching to a new one.
   void ReleaseProfile();
 
   // ash::mojom::ShelfObserver:
-  void OnShelfCreated(int64_t display_id) override;
+  void OnShelfInitialized(int64_t display_id) override;
   void OnAlignmentChanged(ash::ShelfAlignment alignment,
                           int64_t display_id) override;
   void OnAutoHideBehaviorChanged(ash::ShelfAutoHideBehavior auto_hide,
                                  int64_t display_id) override;
 
   // ash::ShelfModelObserver:
   void ShelfItemAdded(int index) override;
   void ShelfItemRemoved(int index, const ash::ShelfItem& old_item) override;
   void ShelfItemMoved(int start_index, int target_index) override;
   void ShelfItemChanged(int index, const ash::ShelfItem& old_item) override;
@@ skipping 73 matching lines @@
   using RunningAppListIds = std::vector<std::string>;
   using RunningAppListIdMap = std::map<std::string, RunningAppListIds>;
   RunningAppListIdMap last_used_running_application_order_;
 
   base::WeakPtrFactory<ChromeLauncherController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_