Installer: Remove unnecessary reinterpret_cast

This is an upcast which can be done by implicit conversion, as other
methods in this class do.

Bug: None
Change-Id: I89d2c4958ddc0c822d8a22ea561bc49f5f7499a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2435745
Commit-Queue: Greg Thompson <grt@chromium.org>
Auto-Submit: Kevin McNee <mcnee@chromium.org>
Reviewed-by: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#811638}

chrome/installer/util/work_item_list.cc

@@ -175,10 +175,9 @@ WorkItem* WorkItemList::AddSetRegValueWorkItem(HKEY predefined_root,
                                                const std::wstring& value_name,
                                                int64_t value_data,
                                                bool overwrite) {
-  WorkItem* item =
-      reinterpret_cast<WorkItem*>(WorkItem::CreateSetRegValueWorkItem(
-          predefined_root, key_path, wow64_access, value_name, value_data,
-          overwrite));
+  WorkItem* item = WorkItem::CreateSetRegValueWorkItem(
+      predefined_root, key_path, wow64_access, value_name, value_data,
+      overwrite);
   AddWorkItem(item);
   return item;
 }