Replace the asan_coverage GYP flag with sanitizer_coverage which is to be used with other sanitizer…

Replace the asan_coverage GYP flag with sanitizer_coverage which is to be used with other sanitizers.
Introduce the SANITIZER_COVERAGE define.

BUG=444896
R=earthdok@chromium.org
TBR=jochen@chromium.org

Committed: https://crrev.com/ddea13be3be19fd889fb5953470faf154836e973
Cr-Commit-Position: refs/heads/master@{#316241}

[Alexander Potapenko, 2015-01-23 11:40:33]

glider@chromium.org changed reviewers:
+ earthdok@chromium.org

[Alexander Potapenko, 2015-01-23 11:41:03]

On 2015/01/23 11:40:33, Alexander Potapenko wrote:
> mailto:glider@chromium.org changed reviewers:
> + mailto:earthdok@chromium.org

Sergey, can you please take a look?
Once you're fine with this CL, I'll add the appropriate owners.

[earthdok, 2015-01-23 13:51:04]

lgtm w/nit

https://codereview.chromium.org/868893004/diff/1/build/common.gypi
File build/common.gypi (right):

https://codereview.chromium.org/868893004/diff/1/build/common.gypi#newcode398
build/common.gypi:398: 'asan_coverage%': 0,  # deprecated
please document how it interacts with sanitizer_coverage and add a TODO to
remove it

[Alexander Potapenko, 2015-02-13 16:11:58]

glider@chromium.org changed reviewers:
+ jochen@chromium.org

[Alexander Potapenko, 2015-02-13 16:11:59]

TBRing Jochen as one of the build/ and content/ owners.

[Alexander Potapenko, 2015-02-13 16:12:03]

The CQ bit was checked by glider@chromium.org

[commit-bot: I haz the power, 2015-02-13 16:13:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/868893004/20001

[commit-bot: I haz the power, 2015-02-13 16:18:42]

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

[commit-bot: I haz the power, 2015-02-13 16:18:43]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[Alexander Potapenko, 2015-02-13 16:22:39]

The CQ bit was checked by glider@chromium.org

[commit-bot: I haz the power, 2015-02-13 16:23:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/868893004/20001

[commit-bot: I haz the power, 2015-02-13 18:01:59]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-02-13 18:02:47]

Patchset 2 (id:??) landed as
https://crrev.com/ddea13be3be19fd889fb5953470faf154836e973
Cr-Commit-Position: refs/heads/master@{#316241}