mash: Preliminary support for shelf auto-hide

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 <stddef.h>
 
 #include <vector>
 
@@ skipping 968 matching lines @@
                              shelf->alignment());
 }
 
 void ChromeLauncherController::OnShelfAutoHideBehaviorChanged(
     ash::Shelf* shelf) {
   ash::SetShelfAutoHideBehaviorPref(profile_->GetPrefs(),
                                     GetDisplayIDForShelf(shelf),
                                     shelf->auto_hide_behavior());
 }
 
+void ChromeLauncherController::OnShelfAutoHideStateChanged(ash::Shelf* shelf) {}
+
+void ChromeLauncherController::OnShelfVisibilityStateChanged(
+    ash::Shelf* shelf) {}
+
 void ChromeLauncherController::ShelfItemAdded(int index) {
   // The app list launcher can get added to the shelf after we applied the
   // preferences. In that case the item might be at the wrong spot. As such we
   // call the function again.
   if (model_->items()[index].type == ash::TYPE_APP_LIST)
     UpdateAppLaunchersFromPref();
 }
 
 void ChromeLauncherController::ShelfItemRemoved(int index, ash::ShelfID id) {
   // TODO(skuhne): This fixes crbug.com/429870, but it does not answer why we
@@ skipping 902 matching lines @@
 
 AppIconLoader* ChromeLauncherController::GetAppIconLoaderForApp(
     const std::string& app_id) {
   for (const auto& app_icon_loader : app_icon_loaders_) {
     if (app_icon_loader->CanLoadImageForApp(app_id))
       return app_icon_loader.get();
   }
 
   return nullptr;
 }