Fix privacy whitepaper link on safe browsing blocking page and captive

Fix privacy whitepaper link on safe browsing blocking page and captive
portal bloking page (whitepaper links on other interstitials are fine).
Link privacy whitepaper to "system information and page content" instead
of "Automatically send" on Scout opt-in string.

BUG=667823, 667385
Review-Url: https://codereview.chromium.org/2526543002
Cr-Commit-Position: refs/heads/master@{#434546}
(cherry picked from commit 762fb54cd325ae2f557a3a8f9199daa480f8f8b7)

Committed: https://chromium.googlesource.com/chromium/src/+/ff1ef44692a1b71e31d366790ad8cd3abf3615ca

[Jialiu Lin, 2016-11-30 22:56:49]

Description was changed from

==========
Fix privacy whitepaper link on safe browsing blocking page and captive
portal bloking page (whitepaper links on other interstitials are fine).
Link privacy whitepaper to "system information and page content" instead
of "Automatically send" on Scout opt-in string.

BUG=667823,667385

Review-Url: https://codereview.chromium.org/2526543002
Cr-Commit-Position: refs/heads/master@{#434546}
(cherry picked from commit 762fb54cd325ae2f557a3a8f9199daa480f8f8b7)
==========

to

==========
Fix privacy whitepaper link on safe browsing blocking page and captive
portal bloking page (whitepaper links on other interstitials are fine).
Link privacy whitepaper to "system information and page content" instead
of "Automatically send" on Scout opt-in string.

BUG=667823,667385

Review-Url: https://codereview.chromium.org/2526543002
Cr-Commit-Position: refs/heads/master@{#434546}
(cherry picked from commit 762fb54cd325ae2f557a3a8f9199daa480f8f8b7)

Committed:
https://chromium.googlesource.com/chromium/src/+/ff1ef44692a1b71e31d366790ad8...
==========

[Jialiu Lin, 2016-11-30 22:56:50]

Committed patchset #1 (id:1) manually as
ff1ef44692a1b71e31d366790ad8cd3abf3615ca.