Telemetry: Add WPR data for large profiles.

Telemetry: Add WPR data for large profiles.

This CL adds a new page set ProfileSafeUrlsPageSet, which is used by the
CookieProfileExtender. This CL also hooks up WPR to the CookieProfileExtender.

BUG=472745
Committed: https://crrev.com/553b419e9a4a9dc1eb0ac5845c04c1c99ba59e40
Cr-Commit-Position: refs/heads/master@{#325324}

[erikchen, 2015-04-11 00:48:42]

erikchen@chromium.org changed reviewers:
+ dtu@chromium.org

[erikchen, 2015-04-11 00:48:42]

dtu: Please review.

[dtu, 2015-04-13 20:18:03]

lgtm

[erikchen, 2015-04-13 20:25:32]

The CQ bit was checked by erikchen@chromium.org

[commit-bot: I haz the power, 2015-04-13 20:27:10]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1070053004/40001

[commit-bot: I haz the power, 2015-04-13 23:47:00]

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

[commit-bot: I haz the power, 2015-04-13 23:47:01]

Try jobs failed on following builders:
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[erikchen, 2015-04-15 19:49:15]

Patchset #4 (id:60001) has been deleted

[erikchen, 2015-04-15 20:07:14]

On 2015/04/13 23:47:01, I haz the power (commit-bot) wrote:
> Try jobs failed on following builders:
>   mac_chromium_rel_ng on tryserver.chromium.mac (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

dtu: FYI, I also updated the list of profile safe urls, as some of them had
become outdated by the time I tried to make the WPR file.

[erikchen, 2015-04-15 20:07:33]

The CQ bit was checked by erikchen@chromium.org

[erikchen, 2015-04-15 20:07:33]

The patchset sent to the CQ was uploaded after l-g-t-m from dtu@chromium.org
Link to the patchset: https://codereview.chromium.org/1070053004/#ps80001
(title: "Update profile safe url list.")

[commit-bot: I haz the power, 2015-04-15 20:09:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1070053004/80001

[commit-bot: I haz the power, 2015-04-15 22:19:15]

Committed patchset #4 (id:80001)

[commit-bot: I haz the power, 2015-04-15 22:21:09]

Patchset 4 (id:??) landed as
https://crrev.com/553b419e9a4a9dc1eb0ac5845c04c1c99ba59e40
Cr-Commit-Position: refs/heads/master@{#325324}