Move ShellAccessTokenStore away from //content/shell/geolocation/.

Move ShellAccessTokenStore away from //content/shell/geolocation/.

It's odd to have a directory specifically for this, since the
other directories in //content/shell/ refer to the process
they're in.

BUG=

Committed: https://crrev.com/11d5f564c7bc634967edf4b06c801d46cfa399f5
Cr-Commit-Position: refs/heads/master@{#300973}

[Peter Beverloo, 2014-10-23 15:31:04]

peter@chromium.org changed reviewers:
+ mkwst@chromium.org, mvanouwerkerk@chromium.org

[Peter Beverloo, 2014-10-23 15:31:04]

mkwst: PTAL
mvanouwerkerk: FYI

I found this while touching some other files :-).

[Michael van Ouwerkerk, 2014-10-23 16:04:07]

lgtm

[Mike West, 2014-10-23 18:57:00]

LGTM 2.

[Peter Beverloo, 2014-10-23 21:50:53]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2014-10-23 21:52:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/653573003/20001

[commit-bot: I haz the power, 2014-10-23 23:12:43]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-10-23 23:13:20]

Patchset 2 (id:??) landed as
https://crrev.com/11d5f564c7bc634967edf4b06c801d46cfa399f5
Cr-Commit-Position: refs/heads/master@{#300973}