Update comments for net/data/verify_certificate_chain_unittest/

Update comments for net/data/verify_certificate_chain_unittest/

* Remove some older language about trust anchors, and consistently refer
  to "root certificate" instead

* Omit trivia about the chain (like count of certificates), and focus
  description on what makes it special

* Don't refer to expected validation success/failure in the chain
  descriptions. Instead this logically belongs in the .test file (I didn't
  add comments to the .test files... however the error messages should be
  self-descriptive).

Review-Url: https://codereview.chromium.org/2951403002
Cr-Commit-Position: refs/heads/master@{#481816}
Committed: https://chromium.googlesource.com/chromium/src/+/9e3eeee7b6604d0862a15de01b706e8507114f77

[eroman, 2017-06-22 22:14:36]

eroman@chromium.org changed reviewers:
+ mattm@chromium.org

[eroman, 2017-06-22 22:14:37]

(I split this off from the earlier CL I sent out)

[eroman, 2017-06-22 22:14:47]

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

[commit-bot: I haz the power, 2017-06-22 22:15:17]

Dry run: CQ is trying da patch.

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

[mattm, 2017-06-22 23:18:26]

lgtm

[commit-bot: I haz the power, 2017-06-22 23:26:08]

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

[commit-bot: I haz the power, 2017-06-22 23:26:09]

Dry run: Try jobs failed on following builders:
  android_n5x_swarming_rel on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/android_n5x_...)

[eroman, 2017-06-23 05:23:42]

The CQ bit was checked by eroman@chromium.org

[commit-bot: I haz the power, 2017-06-23 05:23:49]

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, 2017-06-23 06:02:13]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1498195422515700, "parent_rev":
"7639980f0043025a380772797af116edcf73c5f2", "commit_rev":
"9e3eeee7b6604d0862a15de01b706e8507114f77"}

[commit-bot: I haz the power, 2017-06-23 06:02:27]

Description was changed from

==========
Update comments for net/data/verify_certificate_chain_unittest/

* Remove some older language about trust anchors, and consistently refer
  to "root certificate" instead

* Omit trivia about the chain (like count of certificates), and focus
  description on what makes it special

* Don't refer to expected validation success/failure in the chain
  descriptions. Instead this logically belongs in the .test file (I didn't
  add comments to the .test files... however the error messages should be
  self-descriptive).
==========

to

==========
Update comments for net/data/verify_certificate_chain_unittest/

* Remove some older language about trust anchors, and consistently refer
  to "root certificate" instead

* Omit trivia about the chain (like count of certificates), and focus
  description on what makes it special

* Don't refer to expected validation success/failure in the chain
  descriptions. Instead this logically belongs in the .test file (I didn't
  add comments to the .test files... however the error messages should be
  self-descriptive).

Review-Url: https://codereview.chromium.org/2951403002
Cr-Commit-Position: refs/heads/master@{#481816}
Committed:
https://chromium.googlesource.com/chromium/src/+/9e3eeee7b6604d0862a15de01b70...
==========

[commit-bot: I haz the power, 2017-06-23 06:02:28]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/9e3eeee7b6604d0862a15de01b70...