arc: Create intermediate directories in c/b/c/arc

chrome/browser/chromeos/arc/arc_wallpaper_service.h

-// Copyright 2016 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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_WALLPAPER_SERVICE_H_
-#define CHROME_BROWSER_CHROMEOS_ARC_ARC_WALLPAPER_SERVICE_H_
-
-#include <stdint.h>
-
-#include "ash/common/wallpaper/wallpaper_controller_observer.h"
-#include "base/macros.h"
-#include "chrome/browser/image_decoder.h"
-#include "components/arc/arc_service.h"
-#include "components/arc/common/wallpaper.mojom.h"
-#include "components/arc/instance_holder.h"
-#include "mojo/public/cpp/bindings/binding.h"
-
-class SkBitmap;
-
-namespace arc {
-
-// Lives on the UI thread.
-class ArcWallpaperService
-    : public ArcService,
-      public ash::WallpaperControllerObserver,
-      public ImageDecoder::ImageRequest,
-      public InstanceHolder<mojom::WallpaperInstance>::Observer,
-      public mojom::WallpaperHost {
- public:
-  explicit ArcWallpaperService(ArcBridgeService* bridge_service);
-  ~ArcWallpaperService() override;
-
-  // InstanceHolder<mojom::WallpaperInstance>::Observer overrides.
-  void OnInstanceReady() override;
-  void OnInstanceClosed() override;
-
-  // mojom::WallpaperHost overrides.
-  // TODO(muyuanli): change callback prototype when use_new_wrapper_types is
-  // updated and merge them with the functions below.
-  void SetWallpaper(mojo::Array<uint8_t> png_data) override;
-  void GetWallpaper(const GetWallpaperCallback& callback) override;
-
-  // ImageDecoder::ImageRequest implementation.
-  void OnImageDecoded(const SkBitmap& bitmap) override;
-  void OnDecodeImageFailed() override;
-
-  // WallpaperControllerObserver implementation.
-  void OnWallpaperDataChanged() override;
-
- private:
-  mojo::Binding<mojom::WallpaperHost> binding_;
-  DISALLOW_COPY_AND_ASSIGN(ArcWallpaperService);
-};
-
-}  // namespace arc
-
-#endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_WALLPAPER_SERVICE_H_