bookmarks: Extract PerformBookmarkDrop() function out of bookmark_utils.h

chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc

Index: chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc
diff --git a/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc b/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc
index 1070efa105341f3f2ac5bc650050e07838fb2802..43db798e4305b33fd8963872f822b333954799f1 100644
--- a/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc
+++ b/chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.cc
@@ -461,9 +461,7 @@ bool BookmarkManagerPrivateDropFunction::RunImpl() {
       NOTREACHED() <<"Somehow we're dropping null bookmark data";
       return false;
     }
-    bookmark_utils::PerformBookmarkDrop(profile(),
-                                        *drag_data,
-                                        drop_parent, drop_index);
+    chrome::DropBookmarks(profile(), *drag_data, drop_parent, drop_index);
 
     router->ClearBookmarkNodeData();
     return true;