Exposure computer will skip classes that are not field serializable.  Use the erasure of the superclass when computing immediate subtypes.  Refactored STOB field serialziabiliy and instantiability checks to allow them to be reused by the type parameter exposure computer.

Fixes build break of dynatable.

Patch by: mmendez, spoon (pair prog)

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@2899 8db76d5a-ed1c-0410-87a9-c151d255dfc7
4 files changed