ash: Rename LauncherModel to ShelfModel.

ash/shell/shell_delegate_impl.cc

 // Copyright (c) 2012 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 "ash/shell/shell_delegate_impl.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/caps_lock_delegate_stub.h"
 #include "ash/default_accessibility_delegate.h"
 #include "ash/default_user_wallpaper_delegate.h"
@@ skipping 103 matching lines @@
 }
 
 content::BrowserContext* ShellDelegateImpl::GetCurrentBrowserContext() {
   return browser_context_;
 }
 
 app_list::AppListViewDelegate* ShellDelegateImpl::CreateAppListViewDelegate() {
   return ash::shell::CreateAppListViewDelegate();
 }
 
-ash::LauncherDelegate* ShellDelegateImpl::CreateLauncherDelegate(
-    ash::LauncherModel* model) {
+LauncherDelegate* ShellDelegateImpl::CreateLauncherDelegate(ShelfModel* model) {
   launcher_delegate_ = new LauncherDelegateImpl(watcher_);
   return launcher_delegate_;
 }
 
 ash::SystemTrayDelegate* ShellDelegateImpl::CreateSystemTrayDelegate() {
   return new DefaultSystemTrayDelegate;
 }
 
 ash::UserWallpaperDelegate* ShellDelegateImpl::CreateUserWallpaperDelegate() {
   return new DefaultUserWallpaperDelegate();
@@ skipping 33 matching lines @@
 RootWindowHostFactory* ShellDelegateImpl::CreateRootWindowHostFactory() {
   return RootWindowHostFactory::Create();
 }
 
 base::string16 ShellDelegateImpl::GetProductName() const {
   return base::string16();
 }
 
 }  // namespace shell
 }  // namespace ash