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

ash/default_wallpaper_delegate.cc

Index: ash/default_wallpaper_delegate.cc
diff --git a/ash/default_wallpaper_delegate.cc b/ash/default_wallpaper_delegate.cc
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index 0000000000000000000000000000000000000000..23a47ce60af32faa305f1612a8586d181e74811b
--- /dev/null
+++ b/ash/default_wallpaper_delegate.cc
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+// 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_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 DefaultWallpaperDelegate::GetAnimationType() {
+  return ::wm::WINDOW_VISIBILITY_ANIMATION_TYPE_FADE;
+}
+
+int DefaultWallpaperDelegate::GetAnimationDurationOverride() {
+  return 0;
+}
+
+void DefaultWallpaperDelegate::SetAnimationDurationOverride(
+    int animation_duration_in_ms) {}
+
+bool DefaultWallpaperDelegate::ShouldShowInitialAnimation() {
+  return false;
+}
+
+void DefaultWallpaperDelegate::UpdateWallpaper(bool clear_cache) {}
+
+void DefaultWallpaperDelegate::InitializeWallpaper() {
+  ash::Shell::GetInstance()
+      ->desktop_background_controller()
+      ->CreateEmptyWallpaper();
+}
+
+void DefaultWallpaperDelegate::OpenSetWallpaperPage() {}
+
+bool DefaultWallpaperDelegate::CanOpenSetWallpaperPage() {
+  return false;
+}
+
+void DefaultWallpaperDelegate::OnWallpaperAnimationFinished() {}
+
+void DefaultWallpaperDelegate::OnWallpaperBootAnimationFinished() {}
+
+}  // namespace ash