Revert of Eliminate components_unittests' dependence on chrome resources.

Revert of Eliminate components_unittests' dependence on chrome resources. (patchset #8 id:180001 of https://codereview.chromium.org/856163002/)

Reason for revert:
Causes Mac ASAN bot to fail on BookmarkModelTest.Sort. The failures look the same as those referenced in crbug.com/450464.

https://build.chromium.org/p/chromium.memory/builders/Mac%20ASan%2064%20Tests%20%281%29/builds/6320

Original issue's description:
> Eliminate components_unittests' dependence on chrome resources.
>
> This CL changes components_unittests to create its own pakfile rather than
> relying on the chrome pakfile. To do this it adds a repack step that repacks
> the pakfiles that components_unittests needs into a
> components_unittests_resources.pak file, and then loads that pakfile
> explicitly.
>
> This change means that components_unittests now passes after a clean build,
> whereas before it would fail due to missing resources.
>
> This is based on blundell's change: https://codereview.chromium.org/258043003/
>
> BUG=348563, 450464
> R=blundell@chromium.org, thakis@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/045c9bf1d36f35643a077891dedf24054f2032a3
>
> Committed: https://chromium.googlesource.com/chromium/src/+/e98e8e7654b7e51f98e92514897f8e1284eaa571

TBR=blundell@chromium.org,thakis@chromium.org,maruel@chromium.org,jam@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=348563, 450464
Committed: https://crrev.com/a2e3cc7a3586e7a27b414c47ae4db3d10efe40ba
Cr-Commit-Position: refs/heads/master@{#312490}

[chrishtr, 2015-01-21 23:08:27]

Created Revert of Eliminate components_unittests' dependence on chrome
resources.

[commit-bot: I haz the power, 2015-01-21 23:09:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/867473002/1

[chrishtr, 2015-01-21 23:10:20]

The CQ bit was unchecked by chrishtr@chromium.org

[commit-bot: I haz the power, 2015-01-21 23:10:50]

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

[commit-bot: I haz the power, 2015-01-21 23:10:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-21 23:12:05]

Patchset 1 (id:??) landed as
https://crrev.com/a2e3cc7a3586e7a27b414c47ae4db3d10efe40ba
Cr-Commit-Position: refs/heads/master@{#312490}

[jam, 2015-01-22 00:40:54]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/866643002/ by jam@chromium.org.

The reason for reverting is: i'll disable the test on asan. reverting this will
break other things..