Autofill database migration to clean up bogus profiles.

chrome/browser/autofill/select_control_handler.cc

Index: chrome/browser/autofill/select_control_handler.cc
diff --git a/chrome/browser/autofill/select_control_handler.cc b/chrome/browser/autofill/select_control_handler.cc
index dc44e7273c0c69c77561368c139a0c7a076c32d2..25bbe722edcdf4048d065f5ed11b8e4dabc4a816 100644
--- a/chrome/browser/autofill/select_control_handler.cc
+++ b/chrome/browser/autofill/select_control_handler.cc
@@ -242,4 +242,8 @@ void FillSelectControl(const FormGroup& form_group,
   return;
 }
 
+bool IsValidState(string16 value) {
+  return !State::Abbreviation(value).empty() || !State::FullName(value).empty();
+}
+
 }  // namespace autofill