Revert of cheets: implement cros side of WallpaperManagerService.

components/arc/intent_helper/arc_intent_helper_bridge.h

Index: components/arc/intent_helper/arc_intent_helper_bridge.h
diff --git a/components/arc/intent_helper/arc_intent_helper_bridge.h b/components/arc/intent_helper/arc_intent_helper_bridge.h
index c6bc2e792591f980f6400ed8db6540944a77e1d3..a48e90e85da7e0fc0bb31625371b233dc6c33136 100644
--- a/components/arc/intent_helper/arc_intent_helper_bridge.h
+++ b/components/arc/intent_helper/arc_intent_helper_bridge.h
@@ -40,6 +40,7 @@
   ArcIntentHelperBridge(
       ArcBridgeService* bridge_service,
       const scoped_refptr<ActivityIconLoader>& icon_loader,
+      std::unique_ptr<SetWallpaperDelegate> set_wallpaper_delegate,
       const scoped_refptr<LocalActivityResolver>& activity_resolver);
   ~ArcIntentHelperBridge() override;
 
@@ -70,6 +71,7 @@
  private:
   mojo::Binding<mojom::IntentHelperHost> binding_;
   scoped_refptr<ActivityIconLoader> icon_loader_;
+  std::unique_ptr<SetWallpaperDelegate> set_wallpaper_delegate_;
   scoped_refptr<LocalActivityResolver> activity_resolver_;
 
   base::ThreadChecker thread_checker_;