Due to bugs in the NPAPI Java Plug-In when the MIME type passed to NPP_New is NULL, the Java Plug-In crashes with the latest WebKit nightly build. We are working on having this issue addressed on the WebKit side, but in the meantime we need to be more correct in our handling of this situation.
The latest WebKit nightly build on Mac OS X is passing a NULL MIME
type in to the Java Plug-In's NPP_New function, which triggered
preexisting bugs causing the Java Plug-In to crash the browser. This
could happen with any NPAPI based browser so it is important to fix
Also updated the advertised MIME types in the Mac OS X-specific