Revert of [Startup Tracing] Add --trace-config-file flag

Revert of [Startup Tracing] Add --trace-config-file flag (patchset #6 id:100001 of https://codereview.chromium.org/1315463002/ )

Reason for revert:
Reason for the revert: broken compilation at Win8/Win x64.

Failure example: http://build.chromium.org/p/chromium.win/buildstatus?builder=Win%20x64%20GN&number=5863

Original issue's description:
> [Startup Tracing] Add --trace-config-file flag
>
> This CL adds --trace-config-file flag. Please see trace_config_file.h for details.
>
> Design doc:
> https://docs.google.com/document/d/1PgdXUOJF3WtEmYWUyGRbC2Fz2ICCZKO9jPvpLPRSHH8/edit?usp=sharing
>
> BUG=317481, 482098
>
> Committed: https://crrev.com/de52fb95509666be1062b50a78bea36adfbac183
> Cr-Commit-Position: refs/heads/master@{#346062}

TBR=dsinclair@chromium.org,blundell@chromium.org,sievers@chromium.org,msw@chromium.org,sky@chromium.org,zhenw@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=317481, 482098
Committed: https://crrev.com/d4120331f530dda3f0005b4459dca58a8f598a7f
Cr-Commit-Position: refs/heads/master@{#346068}

[sergeyv, 2015-08-28 03:32:45]

Created Revert of [Startup Tracing] Add --trace-config-file flag

[commit-bot: I haz the power, 2015-08-28 03:32:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1319093002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1319093002/1

[commit-bot: I haz the power, 2015-08-28 03:33:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-28 03:34:17]

Patchset 1 (id:??) landed as
https://crrev.com/d4120331f530dda3f0005b4459dca58a8f598a7f
Cr-Commit-Position: refs/heads/master@{#346068}