Update progress center immediately when files are pasted.

ui/file_manager/file_manager/foreground/js/file_transfer_controller.js

Index: ui/file_manager/file_manager/foreground/js/file_transfer_controller.js
diff --git a/ui/file_manager/file_manager/foreground/js/file_transfer_controller.js b/ui/file_manager/file_manager/foreground/js/file_transfer_controller.js
index 544b6600b80d060d465a5c914d0e84fe77bbb354..29556305efd73229ab290afda541a68b172bc6c9 100644
--- a/ui/file_manager/file_manager/foreground/js/file_transfer_controller.js
+++ b/ui/file_manager/file_manager/foreground/js/file_transfer_controller.js
@@ -548,6 +548,15 @@ FileTransferController.prototype.paste =
   var shareEntries;
   var taskId = this.fileOperationManager_.generateTaskId();
 
+  var item = new ProgressCenterItem();
+  item.id = taskId;
+  if (toMove) {
+    item.message = strf('MOVE_ITEMS_REMAINING', sourceURLs.length);
+  } else {
+    item.message = strf('COPY_ITEMS_REMAINING', sourceURLs.length);
+  }
+  this.progressCenter_.updateItem(item);
+
   FileTransferController.URLsToEntriesWithAccess(sourceURLs)
       .then(
           /**