Remove dependencies of ResourceRequestAllowedNotifier on chrome/

Remove dependencies of ResourceRequestAllowedNotifier on chrome/

This CL prepares the componentization of ResourceRequestAllowedNotifier
and EulaAcceptedNotifier.
Some unused dependencies are cleaned up, and the dependency on
BrowserProcess is removed by passing the PrefService in the constructors
instead.

TBR=achuith

Committed: https://crrev.com/f4455485213d6000fd11773664478bd301ba3dd3
Cr-Commit-Position: refs/heads/master@{#305190}

[droger, 2014-11-20 13:56:15]

droger@chromium.org changed reviewers:
+ asvitkine@chromium.org

[Alexei Svitkine (slow), 2014-11-20 17:41:46]

lgtm

[droger, 2014-11-21 09:10:38]

The CQ bit was checked by droger@chromium.org

[commit-bot: I haz the power, 2014-11-21 09:10:53]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/739173002/40001

[commit-bot: I haz the power, 2014-11-21 09:15:11]

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

[commit-bot: I haz the power, 2014-11-21 09:15:12]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[droger, 2014-11-21 09:18:45]

droger@chromium.org changed reviewers:
+ achuith@chromium.org

[droger, 2014-11-21 09:20:05]

TBR=achuith for trivial change in web_resource_service.cc

[droger, 2014-11-21 09:20:11]

The CQ bit was checked by droger@chromium.org

[commit-bot: I haz the power, 2014-11-21 09:21:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/739173002/40001

[commit-bot: I haz the power, 2014-11-21 09:50:31]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2014-11-21 09:51:13]

Patchset 3 (id:??) landed as
https://crrev.com/f4455485213d6000fd11773664478bd301ba3dd3
Cr-Commit-Position: refs/heads/master@{#305190}