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fix: save dialog extensions should be deterministic #25192

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5 changes: 3 additions & 2 deletions shell/browser/ui/file_dialog_mac.mm
Expand Up @@ -90,7 +90,8 @@ void SetAllowedFileTypes(NSSavePanel* dialog, const Filters& filters) {

// Create array to keep file types and their name.
for (const Filter& filter : filters) {
NSMutableSet* file_type_set = [NSMutableSet set];
NSMutableOrderedSet* file_type_set =
[NSMutableOrderedSet orderedSetWithCapacity:filters.size()];
[filter_names addObject:@(filter.first.c_str())];
for (std::string ext : filter.second) {
// macOS is incapable of understanding multiple file extensions,
Expand All @@ -104,7 +105,7 @@ void SetAllowedFileTypes(NSSavePanel* dialog, const Filters& filters) {

[file_type_set addObject:@(ext.c_str())];
}
[file_types_list addObject:[file_type_set allObjects]];
[file_types_list addObject:[file_type_set array]];
}

// Passing empty array to setAllowedFileTypes will cause exception.
Expand Down