Change return value of ObjectStore::PreallocateObjects to return the error object or null instead o…

Change return value of ObjectStore::PreallocateObjects to return the error object or null instead of a bool. Most of the times the sticky error is cleared and returned as an error so returning a bool and querying the sticky error here does not work as the sticky error is a null object.

R=srdjan@google.com

Committed: https://github.com/dart-lang/sdk/commit/2964f9e750448c14099251c065fe65abeff92169

[siva, 2016-02-22 20:15:44]

asiva@google.com changed reviewers:
+ srdjan@google.com

[srdjan, 2016-02-22 21:10:15]

lgtm

[siva, 2016-02-22 21:37:27]

Description was changed from

==========
Change return value of ObjectStore::PreallocateObjects to return the error
object or null instead of a bool. Most of the times the sticky error is cleared
and returned as an error so returning a bool and querying the sticky error here
does not work as the sticky error is a null object.
==========

to

==========
Change return value of ObjectStore::PreallocateObjects to return the error
object or null instead of a bool. Most of the times the sticky error is cleared
and returned as an error so returning a bool and querying the sticky error here
does not work as the sticky error is a null object.

R=srdjan@google.com

Committed:
https://github.com/dart-lang/sdk/commit/2964f9e750448c14099251c065fe65abeff92169
==========

[siva, 2016-02-22 21:37:28]

Committed patchset #1 (id:1) manually as
2964f9e750448c14099251c065fe65abeff92169 (presubmit successful).