Revert of Add granular base::File tracing.

Revert of Add granular base::File tracing. (patchset #10 id:490001 of https://codereview.chromium.org/1072133006/)

Reason for revert:
See if this broke sizes by increasing setup.exe by 0.43%.

Original issue's description:
> Add granular base::File tracing.
>
> R=thestig@chromium.org,nduca@chromium.org
> BUG=480665
>
> Committed: https://crrev.com/a6e05c977096a03774e5406d63ad80c0166f9adc
> Cr-Commit-Position: refs/heads/master@{#328153}

TBR=thestig@chromium.org,nduca@chromium.org,oysteine@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=480665
Committed: https://crrev.com/0f045e96533304388b88da9c4af42039790d8942
Cr-Commit-Position: refs/heads/master@{#328241}

[Dan Beam, 2015-05-05 00:49:50]

Created Revert of Add granular base::File tracing.

[commit-bot: I haz the power, 2015-05-05 00:51:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1127713004/1

[commit-bot: I haz the power, 2015-05-05 00:53:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-05 00:54:13]

Patchset 1 (id:??) landed as
https://crrev.com/0f045e96533304388b88da9c4af42039790d8942
Cr-Commit-Position: refs/heads/master@{#328241}