Revert of NaCl: Update revision in DEPS, 58c9abe -> fea15c4

Revert of NaCl: Update revision in DEPS, 58c9abe -> fea15c4 (patchset #1 id:1 of https://codereview.chromium.org/867463008/)

Reason for revert:
This is causing official builds to fail, as the DEPS hash is not valid

Original issue's description:
> NaCl: Update revision in DEPS, 58c9abe -> fea15c4
>
> This pulls in the following Native Client changes:
>
> f02226b: (bbudge@chromium.org) Disable mmap_unittest.cc tests on Windows 64 in Debug...
> 6bc00f6: (dschuff@chromium.org) Update upstream compiler_rt to HEAD and use official git mirror
> 55d212c: (phosek@chromium.org) Updates the tools Makefile to work with Git
> ccc9c66: (shyamsundarr@chromium.org) Add all remaining avx2 instructions except vgather.
> 9595661: (jfb@chromium.org) Enable -Werror for LLVM build
> aa51c35: (pcc@google.com) Disable -flto when compiling nacl_bootstrap_lib.
> 476c662: (jfb@chromium.org) PNaCl: Update Subzero and LLVM revision in pnacl/COMPONENT_REVISIONS
> 2f388a0: (dschuff@chromium.org) Enable SCons testing of arm-nacl-clang on the bots
> fea15c4: (bbudge@chromium.org) Disable mmap_unittest.cc tests on Windows 64 in Debug...
>
> BUG=none
> TEST=browser_tests and nacl_integration
> CQ_EXTRA_TRYBOTS=tryserver.chromium.linux:linux_rel_precise32,linux_arm_compile,linux_nacl_sdk_build
>
> Committed: https://crrev.com/cebaf8cb5f60a5e3f3ecbfd65ebb338c90dba400
> Cr-Commit-Position: refs/heads/master@{#314020}

TBR=jfb@chromium.org,mseaborn@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=none

Committed: https://crrev.com/8761266f1e0a3ea3c9ad8f3c76b36d1160c730ab
Cr-Commit-Position: refs/heads/master@{#314071}

[amineer_google, 2015-01-31 21:45:58]

Created Revert of NaCl: Update revision in DEPS, 58c9abe -> fea15c4

[commit-bot: I haz the power, 2015-01-31 21:46:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/889163003/1

[commit-bot: I haz the power, 2015-01-31 21:46:55]

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

[commit-bot: I haz the power, 2015-01-31 21:46:55]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[JF, 2015-01-31 22:11:18]

jfb@chromium.org changed reviewers:
+ bradnelson@chromium.org

[JF, 2015-01-31 22:11:19]

lgtm

[JF, 2015-01-31 22:11:54]

The CQ bit was checked by jfb@chromium.org

[commit-bot: I haz the power, 2015-01-31 22:12:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/889163003/1

[commit-bot: I haz the power, 2015-01-31 22:13:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-31 22:14:18]

Patchset 1 (id:??) landed as
https://crrev.com/8761266f1e0a3ea3c9ad8f3c76b36d1160c730ab
Cr-Commit-Position: refs/heads/master@{#314071}

[JF, 2015-01-31 22:26:48]

Re-rolled in:
  https://codereview.chromium.org/890173002