After uninstall, remove last item in Launcher folder

chrome/browser/ui/app_list/extension_app_model_builder.cc

Index: chrome/browser/ui/app_list/extension_app_model_builder.cc
diff --git a/chrome/browser/ui/app_list/extension_app_model_builder.cc b/chrome/browser/ui/app_list/extension_app_model_builder.cc
index 2bac8c768b06ffcbd1757b0fbf075344e84effd9..55f8954e9a65c09c59fb6bfc69d52c8c4be4a64b 100644
--- a/chrome/browser/ui/app_list/extension_app_model_builder.cc
+++ b/chrome/browser/ui/app_list/extension_app_model_builder.cc
@@ -114,7 +114,7 @@ void ExtensionAppModelBuilder::OnProfilePreferenceChanged() {
                               (*app)->is_platform_app()));
     } else {
       if (service_)
-        service_->RemoveItem((*app)->id());
+        service_->RemoveItem((*app)->id(), false);
       else
         model_->DeleteItem((*app)->id());
     }
@@ -205,10 +205,10 @@ void ExtensionAppModelBuilder::OnExtensionUninstalled(
   if (service_) {
     DVLOG(2) << service_ << ": OnExtensionUninstalled: "
              << extension->id().substr(0, 8);
-    service_->RemoveItem(extension->id());
+    service_->RemoveItem(extension->id(), true);
     return;
   }
-  model_->DeleteItem(extension->id());
+  model_->DeleteUninstalledItem(extension->id());
 }
 
 void ExtensionAppModelBuilder::OnDisabledExtensionUpdated(