pump (that is, the case when we are completing a partial cache entry): - correct the assertion - read from the cache pump when calling type sniffers (since it contains the initial data) r+sr+a=darin git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@194966 18797224-902f-48f8-a5cc-f745e15eee43