Cleanup mojo Wallpaper interfaces for mash.

ash/mus/wallpaper_delegate_mus.h

Index: ash/mus/wallpaper_delegate_mus.h
diff --git a/ash/mus/wallpaper_delegate_mus.h b/ash/mus/wallpaper_delegate_mus.h
index fe3dbb3801efe09862e470d1b3190e82186a92fe..6b03d1ab4b4fd3d0e592d6cd36e8ee5dbbcaac58 100644
--- a/ash/mus/wallpaper_delegate_mus.h
+++ b/ash/mus/wallpaper_delegate_mus.h
@@ -6,19 +6,13 @@
 #define ASH_MUS_WALLPAPER_DELEGATE_MUS_H_
 
 #include "ash/common/wallpaper/wallpaper_delegate.h"
-#include "ash/public/interfaces/wallpaper.mojom.h"
 #include "base/macros.h"
 
-namespace service_manager {
-class Connector;
-}
-
 namespace ash {
 
-class WallpaperDelegateMus : public WallpaperDelegate,
-                             public mojom::WallpaperController {
+class WallpaperDelegateMus : public WallpaperDelegate {
  public:
-  explicit WallpaperDelegateMus(service_manager::Connector* connector);
+  WallpaperDelegateMus();
   ~WallpaperDelegateMus() override;
 
  private:
@@ -29,17 +23,10 @@ class WallpaperDelegateMus : public WallpaperDelegate,
   bool ShouldShowInitialAnimation() override;
   void UpdateWallpaper(bool clear_cache) override;
   void InitializeWallpaper() override;
-  void OpenSetWallpaperPage() override;
   bool CanOpenSetWallpaperPage() override;
   void OnWallpaperAnimationFinished() override;
   void OnWallpaperBootAnimationFinished() override;
 
-  // mojom::WallpaperController overrides:
-  void SetWallpaper(const SkBitmap& wallpaper,
-                    mojom::WallpaperLayout layout) override;
-
-  service_manager::Connector* connector_;
-
   DISALLOW_COPY_AND_ASSIGN(WallpaperDelegateMus);
 };