[chromedriver] Fix path for server logs and add logging.

[chromedriver] Fix path for server logs and add logging.

BUG=697941
TBR=stgao@chromium.org

Review-Url: https://codereview.chromium.org/2777233002
Cr-Commit-Position: refs/heads/master@{#459862}
Committed: https://chromium.googlesource.com/chromium/src/+/4347e0851af0acb9c6e0d5c17cec03ef6a167749

[samuong, 2017-03-27 19:04:00]

The CQ bit was checked by samuong@chromium.org

[commit-bot: I haz the power, 2017-03-27 19:05:11]

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, 2017-03-27 20:04:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490641440074610, "parent_rev":
"3083836246aaa08375a7538c869a91cd37a209a3", "commit_rev":
"4347e0851af0acb9c6e0d5c17cec03ef6a167749"}

[commit-bot: I haz the power, 2017-03-27 20:04:55]

Description was changed from

==========
[chromedriver] Fix path for server logs and add logging.

BUG=697941
TBR=stgao@chromium.org
==========

to

==========
[chromedriver] Fix path for server logs and add logging.

BUG=697941
TBR=stgao@chromium.org

Review-Url: https://codereview.chromium.org/2777233002
Cr-Commit-Position: refs/heads/master@{#459862}
Committed:
https://chromium.googlesource.com/chromium/src/+/4347e0851af0acb9c6e0d5c17cec...
==========

[commit-bot: I haz the power, 2017-03-27 20:04:56]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/4347e0851af0acb9c6e0d5c17cec...