Reland of Have gn gen assert that the output directory does not have GYP artifacts

Reland of Have gn gen assert that the output directory does not have GYP artifacts (patchset #1 id:1 of https://codereview.chromium.org/1602393002/ )

Reason for revert:
Verified manually (via ssh) that patch works fine on a trybot that broke last time. Perhaps more time just needed to pass?

Original issue's description:
> Revert of Have gn gen assert that the output directory does not have GYP artifacts (patchset #2 id:20001 of https://codereview.chromium.org/1601893002/ )
>
> Reason for revert:
> arm-builder-rel, arm64-builder-rel, gn-release-builder-l consistently fail the assertion added in this change.
>
> Original issue's description:
> > Have gn gen assert that the output directory does not have GYP artifacts
> >
> > This can often lead to compile errors.
> >
> > BUG=578862
> >
> > Committed: https://crrev.com/5915049689627393a3eb8f531f3a361eedcfbce0
> > Cr-Commit-Position: refs/heads/master@{#370210}
>
> TBR=brettw@chromium.org,agrieve@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=578862
>
> Committed: https://crrev.com/caf664a996be25ec5f567f183dd897de4abff952
> Cr-Commit-Position: refs/heads/master@{#370288}

TBR=brettw@chromium.org,jbudorick@chromium.org,mdjones@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=578862
Committed: https://crrev.com/92a9e0684f6a76060f59a9c8caab0420bc36ec06
Cr-Commit-Position: refs/heads/master@{#375598}

[agrieve, 2016-02-16 15:37:18]

Created Reland of Have gn gen assert that the output directory does not have GYP
artifacts

[agrieve, 2016-02-16 15:38:43]

Description was changed from

==========
Reland of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #1 id:1 of https://codereview.chromium.org/1602393002/ )

Reason for revert:
Attempting reland (no changes)

Original issue's description:
> Revert of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #2 id:20001 of https://codereview.chromium.org/1601893002/ )
> 
> Reason for revert:
> arm-builder-rel, arm64-builder-rel, gn-release-builder-l consistently fail the
assertion added in this change.
> 
> Original issue's description:
> > Have gn gen assert that the output directory does not have GYP artifacts
> >
> > This can often lead to compile errors.
> >
> > BUG=578862
> >
> > Committed: https://crrev.com/5915049689627393a3eb8f531f3a361eedcfbce0
> > Cr-Commit-Position: refs/heads/master@{#370210}
> 
> TBR=brettw@chromium.org,agrieve@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=578862
> 
> Committed: https://crrev.com/caf664a996be25ec5f567f183dd897de4abff952
> Cr-Commit-Position: refs/heads/master@{#370288}

TBR=brettw@chromium.org,jbudorick@chromium.org,mdjones@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=578862
==========

to

==========
Reland of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #1 id:1 of https://codereview.chromium.org/1602393002/ )

Reason for revert:
Verified manually (via ssh) that patch works fine on a trybot that broke last
time. Perhaps more time just needed to pass?

Original issue's description:
> Revert of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #2 id:20001 of https://codereview.chromium.org/1601893002/ )
> 
> Reason for revert:
> arm-builder-rel, arm64-builder-rel, gn-release-builder-l consistently fail the
assertion added in this change.
> 
> Original issue's description:
> > Have gn gen assert that the output directory does not have GYP artifacts
> >
> > This can often lead to compile errors.
> >
> > BUG=578862
> >
> > Committed: https://crrev.com/5915049689627393a3eb8f531f3a361eedcfbce0
> > Cr-Commit-Position: refs/heads/master@{#370210}
> 
> TBR=brettw@chromium.org,agrieve@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=578862
> 
> Committed: https://crrev.com/caf664a996be25ec5f567f183dd897de4abff952
> Cr-Commit-Position: refs/heads/master@{#370288}

TBR=brettw@chromium.org,jbudorick@chromium.org,mdjones@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=578862
==========

[agrieve, 2016-02-16 15:41:26]

agrieve@chromium.org changed reviewers:
+ dgn@chromium.org

[agrieve, 2016-02-16 15:41:33]

The CQ bit was checked by agrieve@chromium.org

[commit-bot: I haz the power, 2016-02-16 15:42:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1702013002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1702013002/1

[jbudorick, 2016-02-16 15:44:12]

lgtm

[commit-bot: I haz the power, 2016-02-16 16:54:47]

Description was changed from

==========
Reland of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #1 id:1 of https://codereview.chromium.org/1602393002/ )

Reason for revert:
Verified manually (via ssh) that patch works fine on a trybot that broke last
time. Perhaps more time just needed to pass?

Original issue's description:
> Revert of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #2 id:20001 of https://codereview.chromium.org/1601893002/ )
> 
> Reason for revert:
> arm-builder-rel, arm64-builder-rel, gn-release-builder-l consistently fail the
assertion added in this change.
> 
> Original issue's description:
> > Have gn gen assert that the output directory does not have GYP artifacts
> >
> > This can often lead to compile errors.
> >
> > BUG=578862
> >
> > Committed: https://crrev.com/5915049689627393a3eb8f531f3a361eedcfbce0
> > Cr-Commit-Position: refs/heads/master@{#370210}
> 
> TBR=brettw@chromium.org,agrieve@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=578862
> 
> Committed: https://crrev.com/caf664a996be25ec5f567f183dd897de4abff952
> Cr-Commit-Position: refs/heads/master@{#370288}

TBR=brettw@chromium.org,jbudorick@chromium.org,mdjones@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=578862
==========

to

==========
Reland of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #1 id:1 of https://codereview.chromium.org/1602393002/ )

Reason for revert:
Verified manually (via ssh) that patch works fine on a trybot that broke last
time. Perhaps more time just needed to pass?

Original issue's description:
> Revert of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #2 id:20001 of https://codereview.chromium.org/1601893002/ )
> 
> Reason for revert:
> arm-builder-rel, arm64-builder-rel, gn-release-builder-l consistently fail the
assertion added in this change.
> 
> Original issue's description:
> > Have gn gen assert that the output directory does not have GYP artifacts
> >
> > This can often lead to compile errors.
> >
> > BUG=578862
> >
> > Committed: https://crrev.com/5915049689627393a3eb8f531f3a361eedcfbce0
> > Cr-Commit-Position: refs/heads/master@{#370210}
> 
> TBR=brettw@chromium.org,agrieve@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=578862
> 
> Committed: https://crrev.com/caf664a996be25ec5f567f183dd897de4abff952
> Cr-Commit-Position: refs/heads/master@{#370288}

TBR=brettw@chromium.org,jbudorick@chromium.org,mdjones@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=578862
==========

[commit-bot: I haz the power, 2016-02-16 16:54:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-02-16 22:53:19]

Description was changed from

==========
Reland of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #1 id:1 of https://codereview.chromium.org/1602393002/ )

Reason for revert:
Verified manually (via ssh) that patch works fine on a trybot that broke last
time. Perhaps more time just needed to pass?

Original issue's description:
> Revert of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #2 id:20001 of https://codereview.chromium.org/1601893002/ )
> 
> Reason for revert:
> arm-builder-rel, arm64-builder-rel, gn-release-builder-l consistently fail the
assertion added in this change.
> 
> Original issue's description:
> > Have gn gen assert that the output directory does not have GYP artifacts
> >
> > This can often lead to compile errors.
> >
> > BUG=578862
> >
> > Committed: https://crrev.com/5915049689627393a3eb8f531f3a361eedcfbce0
> > Cr-Commit-Position: refs/heads/master@{#370210}
> 
> TBR=brettw@chromium.org,agrieve@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=578862
> 
> Committed: https://crrev.com/caf664a996be25ec5f567f183dd897de4abff952
> Cr-Commit-Position: refs/heads/master@{#370288}

TBR=brettw@chromium.org,jbudorick@chromium.org,mdjones@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=578862
==========

to

==========
Reland of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #1 id:1 of https://codereview.chromium.org/1602393002/ )

Reason for revert:
Verified manually (via ssh) that patch works fine on a trybot that broke last
time. Perhaps more time just needed to pass?

Original issue's description:
> Revert of Have gn gen assert that the output directory does not have GYP
artifacts (patchset #2 id:20001 of https://codereview.chromium.org/1601893002/ )
>
> Reason for revert:
> arm-builder-rel, arm64-builder-rel, gn-release-builder-l consistently fail the
assertion added in this change.
>
> Original issue's description:
> > Have gn gen assert that the output directory does not have GYP artifacts
> >
> > This can often lead to compile errors.
> >
> > BUG=578862
> >
> > Committed: https://crrev.com/5915049689627393a3eb8f531f3a361eedcfbce0
> > Cr-Commit-Position: refs/heads/master@{#370210}
>
> TBR=brettw@chromium.org,agrieve@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=578862
>
> Committed: https://crrev.com/caf664a996be25ec5f567f183dd897de4abff952
> Cr-Commit-Position: refs/heads/master@{#370288}

TBR=brettw@chromium.org,jbudorick@chromium.org,mdjones@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=578862

Committed: https://crrev.com/92a9e0684f6a76060f59a9c8caab0420bc36ec06
Cr-Commit-Position: refs/heads/master@{#375598}
==========

[commit-bot: I haz the power, 2016-02-16 22:53:19]

Patchset 1 (id:??) landed as
https://crrev.com/92a9e0684f6a76060f59a9c8caab0420bc36ec06
Cr-Commit-Position: refs/heads/master@{#375598}