Reland of [tracing] Add heap profiler perftests.

Reland of [tracing] Add heap profiler perftests.

> Reason for revert:
> This broke Win 64:
> https://build.chromium.org/p/chromium.win/buildstatus?builder=Win%20x64%20Builder%20%28dbg%29&number=56316
>
> Original issue's description:
> > [tracing] Add heap profiler perftests.
> >
> > This CL creates a generic place for heap profiler perftests, and adds
> > couple of stack frame deduplicator related perftests.
> >
> > BUG=739378
> >
> > Review-Url: https://codereview.chromium.org/2976843002
> > Cr-Commit-Position: refs/heads/master@{#486544}
> > Committed: https://chromium.googlesource.com/chromium/src/+/f43d398eac5c9d4c2bccda6d2630d108bbed1c99
>
> TBR=primiano@chromium.org,dskiba@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=739378
>
> Review-Url: https://codereview.chromium.org/2981833002
> Cr-Commit-Position: refs/heads/master@{#486555}

TBR=primiano@chromium.org

BUG=739378
Review-Url: https://codereview.chromium.org/2975133004
Cr-Commit-Position: refs/heads/master@{#486744}
Committed: https://chromium.googlesource.com/chromium/src/+/484350a921288d2f41c025e7c114924d85007951

[DmitrySkiba, 2017-07-14 01:33:15]

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

[commit-bot: I haz the power, 2017-07-14 01:33:41]

Dry run: 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, 2017-07-14 03:10:17]

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

[commit-bot: I haz the power, 2017-07-14 03:10:18]

Dry run: This issue passed the CQ dry run.

[DmitrySkiba, 2017-07-14 12:29:09]

The CQ bit was checked by dskiba@chromium.org

[commit-bot: I haz the power, 2017-07-14 12:29:19]

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, 2017-07-14 12:32:41]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1500035349659730,
"parent_rev": "fdeb2a64671284589f7c4c310e5d01839a6d7ed3", "commit_rev":
"484350a921288d2f41c025e7c114924d85007951"}

[commit-bot: I haz the power, 2017-07-14 12:32:55]

Description was changed from

==========
Reland of [tracing] Add heap profiler perftests.

> Reason for revert:
> This broke Win 64:
>
https://build.chromium.org/p/chromium.win/buildstatus?builder=Win%20x64%20Bui...
>
> Original issue's description:
> > [tracing] Add heap profiler perftests.
> >
> > This CL creates a generic place for heap profiler perftests, and adds
> > couple of stack frame deduplicator related perftests.
> >
> > BUG=739378
> >
> > Review-Url: https://codereview.chromium.org/2976843002
> > Cr-Commit-Position: refs/heads/master@{#486544}
> > Committed:
https://chromium.googlesource.com/chromium/src/+/f43d398eac5c9d4c2bccda6d2630...
>
> TBR=primiano@chromium.org,dskiba@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=739378
>
> Review-Url: https://codereview.chromium.org/2981833002
> Cr-Commit-Position: refs/heads/master@{#486555}

TBR=primiano@chromium.org

BUG=739378
==========

to

==========
Reland of [tracing] Add heap profiler perftests.

> Reason for revert:
> This broke Win 64:
>
https://build.chromium.org/p/chromium.win/buildstatus?builder=Win%20x64%20Bui...
>
> Original issue's description:
> > [tracing] Add heap profiler perftests.
> >
> > This CL creates a generic place for heap profiler perftests, and adds
> > couple of stack frame deduplicator related perftests.
> >
> > BUG=739378
> >
> > Review-Url: https://codereview.chromium.org/2976843002
> > Cr-Commit-Position: refs/heads/master@{#486544}
> > Committed:
https://chromium.googlesource.com/chromium/src/+/f43d398eac5c9d4c2bccda6d2630...
>
> TBR=primiano@chromium.org,dskiba@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=739378
>
> Review-Url: https://codereview.chromium.org/2981833002
> Cr-Commit-Position: refs/heads/master@{#486555}

TBR=primiano@chromium.org

BUG=739378

Review-Url: https://codereview.chromium.org/2975133004
Cr-Commit-Position: refs/heads/master@{#486744}
Committed:
https://chromium.googlesource.com/chromium/src/+/484350a921288d2f41c025e7c114...
==========

[commit-bot: I haz the power, 2017-07-14 12:32:58]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/484350a921288d2f41c025e7c114...