Mark WebURLResponse data size getters as ForTesting

Mark WebURLResponse data size getters as ForTesting

The following getters are only used in tests, and I want to delete them
eventually.

 - encodedDataLength
 - encodedBodyLength
 - decodedBodyLength

BUG=603396
Committed: https://crrev.com/3ed22b610c31300b8c2746e1beb214a571d9f61b
Cr-Commit-Position: refs/heads/master@{#432195}

[yhirano, 2016-11-07 05:47:19]

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

[commit-bot: I haz the power, 2016-11-07 05:47:26]

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

[yhirano, 2016-11-07 06:37:26]

yhirano@chromium.org changed reviewers:
+ ricea@chromium.org, tzik@chromium.org

[commit-bot: I haz the power, 2016-11-07 07:21:57]

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

[commit-bot: I haz the power, 2016-11-07 07:21:58]

Dry run: This issue passed the CQ dry run.

[tzik, 2016-11-07 08:48:01]

lgtm

[Adam Rice, 2016-11-09 05:20:43]

lgtm

[yhirano, 2016-11-09 05:24:04]

yhirano@chromium.org changed reviewers:
+ esprehn@chromium.org

[yhirano, 2016-11-09 05:24:04]

+esprehn@ for OWNER review.

[kinuko, 2016-11-11 13:33:17]

drive-by LGTM

(Having test-only methods at public layer is not too good but they are like that
now and assuming we're going to eventually remove them)

[yhirano, 2016-11-15 13:42:15]

The CQ bit was checked by yhirano@chromium.org

[commit-bot: I haz the power, 2016-11-15 13:42:26]

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, 2016-11-15 16:41:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-15 16:45:37]

Description was changed from

==========
Mark WebURLResponse data size getters as ForTesting

The following getters are only used in tests, and I want to delete them
eventually.

 - encodedDataLength
 - encodedBodyLength
 - decodedBodyLength

BUG=603396
==========

to

==========
Mark WebURLResponse data size getters as ForTesting

The following getters are only used in tests, and I want to delete them
eventually.

 - encodedDataLength
 - encodedBodyLength
 - decodedBodyLength

BUG=603396

Committed: https://crrev.com/3ed22b610c31300b8c2746e1beb214a571d9f61b
Cr-Commit-Position: refs/heads/master@{#432195}
==========

[commit-bot: I haz the power, 2016-11-15 16:45:38]

Patchset 1 (id:??) landed as
https://crrev.com/3ed22b610c31300b8c2746e1beb214a571d9f61b
Cr-Commit-Position: refs/heads/master@{#432195}