[libfuzzer] switching libfuzzer to trace-pc-guard instrumentation.

Switching libfuzzer to trace-pc-guard instrumentation.

This reverts commit 23d6de2177b812285946bce6f459815799d825c5.

BUG=651540, 687570
Review-Url: https://codereview.chromium.org/2721593003
Cr-Commit-Position: refs/heads/master@{#453396}
Committed: https://chromium.googlesource.com/chromium/src/+/fd938bac4105603ff6a997d5de3cabe39d8869c0

[aizatsky, 2017-02-27 21:43:00]

aizatsky@chromium.org changed reviewers:
+ inferno@chromium.org, kcc@chromium.org, mmoroz@chromium.org,
ochang@chromium.org

[Oliver Chang, 2017-02-27 21:45:20]

lgtm, thanks!

[aizatsky, 2017-02-27 22:35:53]

The CQ bit was checked by aizatsky@chromium.org

[commit-bot: I haz the power, 2017-02-27 22:36:52]

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, 2017-02-27 23:49:56]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488234953746500, "parent_rev":
"104b71bdc9e24311f7a63f67b183b0b176f94bb5", "commit_rev":
"fd938bac4105603ff6a997d5de3cabe39d8869c0"}

[commit-bot: I haz the power, 2017-02-27 23:50:38]

Description was changed from

==========
Switching libfuzzer to trace-pc-guard instrumentation.

This reverts commit 23d6de2177b812285946bce6f459815799d825c5.

BUG=651540,687570
==========

to

==========
Switching libfuzzer to trace-pc-guard instrumentation.

This reverts commit 23d6de2177b812285946bce6f459815799d825c5.

BUG=651540,687570

Review-Url: https://codereview.chromium.org/2721593003
Cr-Commit-Position: refs/heads/master@{#453396}
Committed:
https://chromium.googlesource.com/chromium/src/+/fd938bac4105603ff6a997d5de3c...
==========

[commit-bot: I haz the power, 2017-02-27 23:50:39]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/fd938bac4105603ff6a997d5de3c...