Make sure unresolved function type parameter bounds do not end up in snapshot.

Make sure unresolved function type parameter bounds do not end up in snapshot.
Read and write parent_level field of function type parameters in snapshots.
Update TypeParameter::ToCString() to handle function type parameters.
Address Siva's comments in previous cl.

R=asiva@google.com

Committed: https://github.com/dart-lang/sdk/commit/b91d74172a181179ab688478e55260dee3046f0e

[regis, 2016-09-20 19:34:19]

Description was changed from

==========
Make sure unresolved function type parameter bounds do not end up in snapshot.
Read and write parent_level field of function type parameters in snapshots.
Update TypeParameter::ToCString() to handle function type parameters.
==========

to

==========
Make sure unresolved function type parameter bounds do not end up in snapshot.
Read and write parent_level field of function type parameters in snapshots.
Update TypeParameter::ToCString() to handle function type parameters.
Address Siva's comments in previous cl.
==========

[regis, 2016-09-20 19:38:40]

regis@google.com changed reviewers:
+ asiva@google.com, hausner@google.com

[regis, 2016-09-20 19:38:41]

This should fix the vm-app bots.
Please, review asap, since Bill is waiting for this fix before a push to dev.

Thanks,
Regis

[siva, 2016-09-20 19:50:08]

lgtm

[regis, 2016-09-20 20:18:09]

Description was changed from

==========
Make sure unresolved function type parameter bounds do not end up in snapshot.
Read and write parent_level field of function type parameters in snapshots.
Update TypeParameter::ToCString() to handle function type parameters.
Address Siva's comments in previous cl.
==========

to

==========
Make sure unresolved function type parameter bounds do not end up in snapshot.
Read and write parent_level field of function type parameters in snapshots.
Update TypeParameter::ToCString() to handle function type parameters.
Address Siva's comments in previous cl.

R=asiva@google.com

Committed:
https://github.com/dart-lang/sdk/commit/b91d74172a181179ab688478e55260dee3046f0e
==========

[regis, 2016-09-20 20:18:11]

Committed patchset #2 (id:20001) manually as
b91d74172a181179ab688478e55260dee3046f0e (presubmit successful).