mash: Have chrome set itself as the wallpaper picker.

chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h

 // Copyright 2014 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_LOGIN_USERS_WALLPAPER_WALLPAPER_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_WALLPAPER_WALLPAPER_MANAGER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "ash/public/interfaces/wallpaper.mojom.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_image/user_image.h"
 #include "components/user_manager/user_manager.h"
 #include "components/wallpaper/wallpaper_layout.h"
 #include "components/wallpaper/wallpaper_manager_base.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
+#include "mojo/public/cpp/bindings/binding.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace chromeos {
 
 class WallpaperManager
     : public wallpaper::WallpaperManagerBase,
-      public ash::mojom::WallpaperManager,
+      public ash::mojom::WallpaperPicker,
       public content::NotificationObserver,
       public user_manager::UserManager::UserSessionStateObserver {
  public:
   class PendingWallpaper;
 
   ~WallpaperManager() override;
 
   // Creates an instance of Wallpaper Manager. If there is no instance, create
   // one. Otherwise, returns the existing instance.
   static void Initialize();
 
   // Gets pointer to singleton WallpaperManager instance.
   static WallpaperManager* Get();
 
   // Deletes the existing instance of WallpaperManager. Allows the
   // WallpaperManager to remove any observers it has registered.
   static void Shutdown();
 
-  // Binds the mojom::WallpaperManager interface request to this object.
-  void BindRequest(ash::mojom::WallpaperManagerRequest request);
-
   // wallpaper::WallpaperManagerBase:
   WallpaperResolution GetAppropriateResolution() override;
   void AddObservers() override;
   void EnsureLoggedInUserWallpaperLoaded() override;
   void InitializeWallpaper() override;
   void RemoveUserWallpaperInfo(const AccountId& account_id) override;
   void OnPolicyFetched(const std::string& policy,
                        const AccountId& account_id,
                        std::unique_ptr<std::string> data) override;
   void SetCustomWallpaper(const AccountId& account_id,
@@ skipping 15 matching lines @@
                                 bool delayed) override;
   void SetWallpaperFromImageSkia(const AccountId& account_id,
                                  const gfx::ImageSkia& image,
                                  wallpaper::WallpaperLayout layout,
                                  bool update_wallpaper) override;
   void UpdateWallpaper(bool clear_cache) override;
   size_t GetPendingListSizeForTesting() const override;
   wallpaper::WallpaperFilesId GetFilesId(
       const AccountId& account_id) const override;
 
-  // ash::mojom::WallpaperManager:
+  // ash::mojom::WallpaperPicker:
   void Open() override;
 
   // content::NotificationObserver:
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // user_manager::UserManager::UserSessionStateObserver:
   void UserChangedChildStatus(user_manager::User* user) override;
 
@@ skipping 57 matching lines @@
       const base::FilePath& path,
       const wallpaper::WallpaperLayout layout,
       wallpaper::MovableOnDestroyCallbackHolder on_finish,
       std::unique_ptr<user_manager::UserImage>* result_out) override;
   void SetDefaultWallpaperPath(
       const base::FilePath& customized_default_wallpaper_file_small,
       std::unique_ptr<gfx::ImageSkia> small_wallpaper_image,
       const base::FilePath& customized_default_wallpaper_file_large,
       std::unique_ptr<gfx::ImageSkia> large_wallpaper_image) override;
 
-  mojo::BindingSet<ash::mojom::WallpaperManager> bindings_;
+  mojo::Binding<ash::mojom::WallpaperPicker> binding_;
 
   std::unique_ptr<CrosSettings::ObserverSubscription>
       show_user_name_on_signin_subscription_;
 
   // Pointer to last inactive (waiting) entry of 'loading_' list.
   // NULL when there is no inactive request.
   PendingWallpaper* pending_inactive_;
 
   // Owns PendingWallpaper.
   // PendingWallpaper deletes itself from here on load complete.
   // All pending will be finally deleted on destroy.
   typedef std::vector<scoped_refptr<PendingWallpaper>> PendingList;
   PendingList loading_;
 
   content::NotificationRegistrar registrar_;
 
   base::WeakPtrFactory<WallpaperManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WallpaperManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_WALLPAPER_WALLPAPER_MANAGER_H_