Get rid of RefCounted for ActivityIconLoader.

components/arc/arc_service_manager.h

Index: components/arc/arc_service_manager.h
diff --git a/components/arc/arc_service_manager.h b/components/arc/arc_service_manager.h
index 31d2b23b59245caf3190012f82e3d84f29fff9af..7d540a0c781dd4e4456285beac8a1b4b8624e8b7 100644
--- a/components/arc/arc_service_manager.h
+++ b/components/arc/arc_service_manager.h
@@ -16,13 +16,12 @@
 #include "base/memory/ref_counted.h"
 #include "base/task_runner.h"
 #include "base/threading/thread_checker.h"
-#include "components/arc/intent_helper/activity_icon_loader.h"
+#include "components/arc/arc_service.h"
 #include "components/arc/intent_helper/local_activity_resolver.h"
 
 namespace arc {
 
 class ArcBridgeService;
-class ArcService;
 
 namespace internal {
 
@@ -107,9 +106,6 @@ class ArcServiceManager {
     return blocking_task_runner_;
   }
 
-  // Returns the icon loader owned by ArcServiceManager and shared by services.
-  scoped_refptr<ActivityIconLoader> icon_loader() { return icon_loader_; }
-
   // Returns the activity resolver owned by ArcServiceManager.
   scoped_refptr<LocalActivityResolver> activity_resolver() {
     return activity_resolver_;
@@ -128,7 +124,6 @@ class ArcServiceManager {
 
   std::unique_ptr<ArcBridgeService> arc_bridge_service_;
   std::unordered_multimap<std::string, std::unique_ptr<ArcService>> services_;
-  scoped_refptr<ActivityIconLoader> icon_loader_;
   scoped_refptr<LocalActivityResolver> activity_resolver_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcServiceManager);