Get rid of RefCounted for ActivityIconLoader.

components/arc/intent_helper/link_handler_model_impl.h

Index: components/arc/intent_helper/link_handler_model_impl.h
diff --git a/components/arc/intent_helper/link_handler_model_impl.h b/components/arc/intent_helper/link_handler_model_impl.h
index 06d4803103531b3e1e40d9c2ad8c83e04264f461..403dfa18c8b86a65bf268a99c3ef6ea7facedd5e 100644
--- a/components/arc/intent_helper/link_handler_model_impl.h
+++ b/components/arc/intent_helper/link_handler_model_impl.h
@@ -9,18 +9,17 @@
 #include <vector>
 
 #include "ash/link_handler_model.h"
-#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
-#include "components/arc/arc_service.h"
 #include "components/arc/common/intent_helper.mojom.h"
 #include "components/arc/intent_helper/activity_icon_loader.h"
+#include "url/gurl.h"
 
 namespace arc {
 
 class LinkHandlerModelImpl : public ash::LinkHandlerModel {
  public:
-  explicit LinkHandlerModelImpl(scoped_refptr<ActivityIconLoader> icon_loader);
+  LinkHandlerModelImpl();
   ~LinkHandlerModelImpl() override;
 
   // ash::LinkHandlerModel overrides:
@@ -53,10 +52,6 @@ class LinkHandlerModelImpl : public ash::LinkHandlerModel {
   // Activity icon info passed from ARC.
   ActivityIconLoader::ActivityToIconsMap icons_;
 
-  // Use refptr to retain the object even if ArcIntentHelperBridge is destructed
-  // first.
-  scoped_refptr<ActivityIconLoader> icon_loader_;
-
   // Always keep this the last member of this class to make sure it's the
   // first thing to be destructed.
   base::WeakPtrFactory<LinkHandlerModelImpl> weak_ptr_factory_;