The prepare-ChangeLog script apparently only shows the removed files, not the added files, when "svn move" is used to move source files.
It should be smart enough to note the moved files (with to/from paths) when generating the ChangeLog.
*** Bug 12021 has been marked as a duplicate of this bug. ***
Created attachment 14756 [details]
Proposed fix. See ChangeLog for details.
Comment on attachment 14756 [details]
Looks fine. r=me
$ svn commit WebKitTools/ChangeLog WebKitTools/Scripts/prepare-ChangeLog
Transmitting file data ..
Committed revision 21850.