Export the current data format version used by ValueSerializer.

Export the current data format version used by ValueSerializer.

This enables clients like IndexedDB to know when the data format version has
decreased (i.e. the user has switched to an earlier version) and deal with the
resulting incompatibility up front.

BUG=chromium:704293
Review-Url: https://codereview.chromium.org/2772723005
Cr-Commit-Position: refs/heads/master@{#44391}
Committed: https://chromium.googlesource.com/v8/v8/+/e46f841849ef541e31c2cc4891c1ce44e57285b1

[jbroman, 2017-03-24 18:21:19]

The CQ bit was checked by jbroman@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-24 18:21:21]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-24 18:25:11]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-24 18:25:12]

Dry run: Try jobs failed on following builders:
  v8_presubmit on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_presubmit/builds/37623)

[jbroman, 2017-03-24 18:30:40]

Description was changed from

==========
Export the current data format version used by ValueSerializer.

This enables clients like IndexedDB to know when the data format version has
decreased (i.e. the user has switched to an earlier version) and deal with the
resulting incompatibility up front.

BUG=704293
==========

to

==========
Export the current data format version used by ValueSerializer.

This enables clients like IndexedDB to know when the data format version has
decreased (i.e. the user has switched to an earlier version) and deal with the
resulting incompatibility up front.

BUG=chromium:704293
==========

[jbroman, 2017-03-30 18:41:52]

The CQ bit was checked by jbroman@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-30 18:42:09]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[jbroman, 2017-03-30 18:44:00]

jbroman@chromium.org changed reviewers:
+ jkummerow@chromium.org

[jbroman, 2017-03-30 18:44:00]

IndexedDB previously used this version to allow database opening to fail fast.
Now that this version is (at least in part) stored in V8, being able to access
it in Chromium is helpful to restore this feature.

[commit-bot: I haz the power, 2017-03-30 19:08:31]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-30 19:08:31]

Dry run: This issue passed the CQ dry run.

[Jakob Kummerow, 2017-03-31 21:27:00]

lgtm

[jbroman, 2017-04-04 18:50:51]

The CQ bit was checked by jbroman@chromium.org

[commit-bot: I haz the power, 2017-04-04 18:50:59]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-04 19:26:32]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1491331851424210,
"parent_rev": "8b8295dbb9d94d4b13debce4aacf2b257d0d575d", "commit_rev":
"e46f841849ef541e31c2cc4891c1ce44e57285b1"}

[commit-bot: I haz the power, 2017-04-04 19:26:39]

Description was changed from

==========
Export the current data format version used by ValueSerializer.

This enables clients like IndexedDB to know when the data format version has
decreased (i.e. the user has switched to an earlier version) and deal with the
resulting incompatibility up front.

BUG=chromium:704293
==========

to

==========
Export the current data format version used by ValueSerializer.

This enables clients like IndexedDB to know when the data format version has
decreased (i.e. the user has switched to an earlier version) and deal with the
resulting incompatibility up front.

BUG=chromium:704293

Review-Url: https://codereview.chromium.org/2772723005
Cr-Commit-Position: refs/heads/master@{#44391}
Committed:
https://chromium.googlesource.com/v8/v8/+/e46f841849ef541e31c2cc4891c1ce44e57...
==========

[commit-bot: I haz the power, 2017-04-04 19:26:39]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/e46f841849ef541e31c2cc4891c1ce44e57...