cheets: implement cros side of WallpaperManagerService.

chrome/browser/chromeos/arc/arc_service_launcher.cc

Index: chrome/browser/chromeos/arc/arc_service_launcher.cc
diff --git a/chrome/browser/chromeos/arc/arc_service_launcher.cc b/chrome/browser/chromeos/arc/arc_service_launcher.cc
index 384d7f42f14c1e642cf8be813b1b96f78a0602c4..9a6208140bf53b9215890093a31f22254999a7de 100644
--- a/chrome/browser/chromeos/arc/arc_service_launcher.cc
+++ b/chrome/browser/chromeos/arc/arc_service_launcher.cc
@@ -19,6 +19,7 @@
 #include "chrome/browser/chromeos/arc/gpu_arc_video_service_host.h"
 #include "components/arc/arc_bridge_service.h"
 #include "components/arc/intent_helper/arc_intent_helper_bridge.h"
+#include "components/arc/wallpaper/arc_wallpaper_bridge.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace arc {
@@ -43,7 +44,7 @@ void ArcServiceLauncher::Initialize() {
   arc_service_manager_->AddService(base::MakeUnique<ArcIntentHelperBridge>(
       arc_service_manager_->arc_bridge_service(),
       arc_service_manager_->icon_loader(),
-      base::MakeUnique<ArcWallpaperHandler>(),
+      ArcWallpaperHandler::Get(),
       arc_service_manager_->activity_resolver()));
   arc_service_manager_->AddService(base::MakeUnique<ArcPolicyBridge>(
       arc_service_manager_->arc_bridge_service()));
@@ -57,6 +58,9 @@ void ArcServiceLauncher::Initialize() {
       arc_service_manager_->arc_bridge_service()));
   arc_service_manager_->AddService(base::MakeUnique<GpuArcVideoServiceHost>(
       arc_service_manager_->arc_bridge_service()));
+  arc_service_manager_->AddService(base::MakeUnique<ArcWallpaperBridge>(
+      arc_service_manager_->arc_bridge_service(),
+      ArcWallpaperHandler::Get()));
 }
 
 void ArcServiceLauncher::Shutdown() {