mash: Port mojo:ash_sysui's ContextMenuMus to mojo:ash.

ash/default_user_wallpaper_delegate.cc

Index: ash/default_user_wallpaper_delegate.cc
diff --git a/ash/default_user_wallpaper_delegate.cc b/ash/default_user_wallpaper_delegate.cc
deleted file mode 100644
index 3e22043b95a1de83b999330a657f20e289367105..0000000000000000000000000000000000000000
--- a/ash/default_user_wallpaper_delegate.cc
+++ /dev/null
@@ -1,46 +0,0 @@
-// 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 "ash/default_user_wallpaper_delegate.h"
-
-#include "ash/desktop_background/desktop_background_controller.h"
-#include "ash/shell.h"
-#include "ui/wm/core/window_animations.h"
-
-namespace ash {
-
-int DefaultUserWallpaperDelegate::GetAnimationType() {
-  return ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE;
-}
-
-int DefaultUserWallpaperDelegate::GetAnimationDurationOverride() {
-  return 0;
-}
-
-void DefaultUserWallpaperDelegate::SetAnimationDurationOverride(
-    int animation_duration_in_ms) {}
-
-bool DefaultUserWallpaperDelegate::ShouldShowInitialAnimation() {
-  return false;
-}
-
-void DefaultUserWallpaperDelegate::UpdateWallpaper(bool clear_cache) {}
-
-void DefaultUserWallpaperDelegate::InitializeWallpaper() {
-  ash::Shell::GetInstance()
-      ->desktop_background_controller()
-      ->CreateEmptyWallpaper();
-}
-
-void DefaultUserWallpaperDelegate::OpenSetWallpaperPage() {}
-
-bool DefaultUserWallpaperDelegate::CanOpenSetWallpaperPage() {
-  return false;
-}
-
-void DefaultUserWallpaperDelegate::OnWallpaperAnimationFinished() {}
-
-void DefaultUserWallpaperDelegate::OnWallpaperBootAnimationFinished() {}
-
-}  // namespace ash