Add new fields for Purge+Suspend to WebContentsData.

Add new fields for Purge+Suspend to WebContentsData.

- intent-to-implement-and-ship of background renderer's purge + suspend
  is
  https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/DK189tnM8l4
- one of the documents attached in the above intent is
  https://docs.google.com/document/d/1EgLimgxWK5DGhptnNVbEGSvVn6Q609ZJaBkLjEPRJvI/edit?usp=sharing
- The feature is not enabled by default because
  purge-and-suspend-time is 0.

BUG=635419
Committed: https://crrev.com/498b24642cfb7c8dd84ca60c65c684dbf3f60bbf
Cr-Commit-Position: refs/heads/master@{#427935}

[tasak, 2016-10-26 07:06:44]

The CQ bit was checked by tasak@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-10-26 07:07:04]

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

[tasak, 2016-10-26 07:07:41]

tasak@google.com changed reviewers:
+ chrisha@chromium.org, haraken@chromium.org

[tasak, 2016-10-26 07:07:42]

Would you review this CL?

I created this CL from https://codereview.chromium.org/2387603003

[haraken, 2016-10-26 07:16:37]

Can we add test for WebContentsData?

[tasak, 2016-10-26 07:49:54]

The CQ bit was checked by tasak@google.com to run a CQ dry run

[tasak, 2016-10-26 07:49:58]

On 2016/10/26 07:16:37, haraken wrote:
> Can we add test for WebContentsData?

Sure. Done.

[commit-bot: I haz the power, 2016-10-26 07:50:03]

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

[haraken, 2016-10-26 07:50:15]

LGTM

[commit-bot: I haz the power, 2016-10-26 08:45:11]

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

[commit-bot: I haz the power, 2016-10-26 08:45:12]

Dry run: This issue passed the CQ dry run.

[chrisha, 2016-10-26 21:27:56]

also lgtm

[tasak, 2016-10-27 04:10:57]

The CQ bit was checked by tasak@google.com

[commit-bot: I haz the power, 2016-10-27 04:11:16]

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, 2016-10-27 04:16:26]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-27 04:17:51]

Description was changed from

==========
Add new fields for Purge+Suspend to WebContentsData.

- intent-to-implement-and-ship of background renderer's purge + suspend
  is
  https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/DK189tnM8l4
- one of the documents attached in the above intent is
 
https://docs.google.com/document/d/1EgLimgxWK5DGhptnNVbEGSvVn6Q609ZJaBkLjEPRJ...
- The feature is not enabled by default because
  purge-and-suspend-time is 0.

BUG=635419
==========

to

==========
Add new fields for Purge+Suspend to WebContentsData.

- intent-to-implement-and-ship of background renderer's purge + suspend
  is
  https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/DK189tnM8l4
- one of the documents attached in the above intent is
 
https://docs.google.com/document/d/1EgLimgxWK5DGhptnNVbEGSvVn6Q609ZJaBkLjEPRJ...
- The feature is not enabled by default because
  purge-and-suspend-time is 0.

BUG=635419

Committed: https://crrev.com/498b24642cfb7c8dd84ca60c65c684dbf3f60bbf
Cr-Commit-Position: refs/heads/master@{#427935}
==========

[commit-bot: I haz the power, 2016-10-27 04:17:52]

Patchset 2 (id:??) landed as
https://crrev.com/498b24642cfb7c8dd84ca60c65c684dbf3f60bbf
Cr-Commit-Position: refs/heads/master@{#427935}