It's renamed from `CellData`, but `cellData` still exists in the wider scope. https://searchfox.org/mozilla-central/rev/f6a2ef2f028b8f1eb82fa5dc5cb1e39a3baa8feb/editor/libeditor/HTMLTableEditor.cpp#923-924 Therefore, these lines are wrong: https://searchfox.org/mozilla-central/rev/f6a2ef2f028b8f1eb82fa5dc5cb1e39a3baa8feb/editor/libeditor/HTMLTableEditor.cpp#1049,1053 because `cellData` was in the for-loop: https://searchfox.org/mozilla-central/rev/bc4493c72442ad55aecf6b575edb0df4ed18b113/editor/libeditor/HTMLTableEditor.cpp#1008-1009,1020,1022,1026 Differential Revision: https://phabricator.services.mozilla.com/D152144
