That aside, he might not be able to become governor again because of the term limits law. It depends on how exactly it's written. Normally you're allowed 2 terms as governor. Davis had about 1.2 terms.
California Constitution Article V, Section 2
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No Governor may serve more than 2 terms.California Constitution Article V, Section 20
Terms of elective offices provided for by this Constitution, other than Members of the Legislature, commence on the Monday after January 1 following election.A "term" is a fixed period rather than a length of service. I doubt that California Democrats are as corrupt as those in New Jersey.