tree c3b05157928bf27405115aea5835055066cb7022
parent fde6e89f99eda04a4f1b8677bcea07e6c2040405
author TeBoring <teboring@google.com> 1437002168 -0700
committer TeBoring <teboring@google.com> 1437518702 -0700

Add packFrom, unpackTo and is in google.protobuf.Any.
The previous two methods make it easy to transform between any and normal message.
unPackeTo will throw error if the type url in any doesn't match the type of the message to be transformed to.
is checks any's type url matches the give GPBMessage type.