Support additional mash shelf alignments.

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 1138 matching lines @@
   shelves_.insert(shelf);
   shelf->shelf_layout_manager()->AddObserver(this);
 }
 
 void ChromeLauncherController::OnShelfDestroyed(ash::Shelf* shelf) {
   shelves_.erase(shelf);
   // RemoveObserver is not called here, since by the time this method is called
   // Shelf is already in its destructor.
 }
 
+void ChromeLauncherController::OnAlignmentChanged(
+    ash::ShelfAlignment alignment) {
+  // TODO(msw): Anything?
+}
+
+void ChromeLauncherController::OnAutoHideBehaviorChanged(
+    ash::ShelfAutoHideBehavior auto_hide) {
+  // TODO(msw): Anything?
+}
+
 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 1059 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;
 }