Use base::STLClearObject in QuicServerInfo

Use base::STLClearObject in QuicServerInfo

std::string::clear() doesn't guarantee to free memory. This CL uses
base::STLClearObject() in QuicServerInfo. See linked bug for more info.

BUG=689062
Review-Url: https://codereview.chromium.org/2678333003
Cr-Commit-Position: refs/heads/master@{#448983}
Committed: https://chromium.googlesource.com/chromium/src/+/c3c226027ca052c366d9b425666ec4fe57aab22d

[xunjieli, 2017-02-07 22:17:05]

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

[commit-bot: I haz the power, 2017-02-07 22:17:56]

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

[xunjieli, 2017-02-07 22:20:38]

xunjieli@chromium.org changed reviewers:
+ rch@chromium.org

[Ryan Hamilton, 2017-02-07 23:18:34]

lgtm

[commit-bot: I haz the power, 2017-02-07 23:25:27]

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

[commit-bot: I haz the power, 2017-02-07 23:25:28]

Dry run: This issue passed the CQ dry run.

[xunjieli, 2017-02-08 13:59:03]

The CQ bit was checked by xunjieli@chromium.org

[commit-bot: I haz the power, 2017-02-08 13:59:26]

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, 2017-02-08 14:03:16]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486562343128860, "parent_rev":
"d0581caf436bae2e357a956598b2686092774683", "commit_rev":
"c3c226027ca052c366d9b425666ec4fe57aab22d"}

[commit-bot: I haz the power, 2017-02-08 14:05:10]

Description was changed from

==========
Use base::STLClearObject in QuicServerInfo

std::string::clear() doesn't guarantee to free memory. This CL uses
base::STLClearObject() in QuicServerInfo. See linked bug for more info.

BUG=689062
==========

to

==========
Use base::STLClearObject in QuicServerInfo

std::string::clear() doesn't guarantee to free memory. This CL uses
base::STLClearObject() in QuicServerInfo. See linked bug for more info.

BUG=689062

Review-Url: https://codereview.chromium.org/2678333003
Cr-Commit-Position: refs/heads/master@{#448983}
Committed:
https://chromium.googlesource.com/chromium/src/+/c3c226027ca052c366d9b425666e...
==========

[commit-bot: I haz the power, 2017-02-08 14:05:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c3c226027ca052c366d9b425666e...