In preparation for making all indexers generated, we should first eliminate this naming oops. I am the author of the oops -- a long time ago.
Created attachment 44986 [details]
Ain't no such thing as HTMLSelectElementCollectionCustom.
Attachment 44986 [details] did not pass style-queue:
Failed to run "WebKitTools/Scripts/check-webkit-style" exit_code: 1
Skipping input 'WebCore/bindings/v8/custom/V8HTMLSelectElementCollectionCustom.cpp': Can't open for reading
WebCore/bindings/v8/custom/V8HTMLSelectElementCustom.cpp:40: Alphabetical sorting problem. [build/include_order] 
Total errors found: 1
Sorry, style-elf. I'll fix the order on landed.
Landed as http://trac.webkit.org/changeset/52211.