[Merge M-57] Display "Not secure" verbose state for data: URLs

[Merge M-57] Display "Not secure" verbose state for data: URLs

data: URLs don't define a secure context, and are a vector for spoofing.
Display a "Not secure" badge for all data URLs, regardless of whether
they show a password or credit card field.

BUG=684811
Review-Url: https://codereview.chromium.org/2648353005
Cr-Commit-Position: refs/heads/master@{#446536}
(cherry picked from commit effd1d519ff74fb1eb998e844f19d5079222b0fd)

Review-Url: https://codereview.chromium.org/2660333003 .
Cr-Commit-Position: refs/branch-heads/2987@{#206}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/4278958b00456579123ad87b65663df2de8e8af6

[meacer, 2017-01-31 00:35:04]

Description was changed from

==========
[Merge M-57] Display "Not secure" verbose state for data: URLs

data: URLs don't define a secure context, and are a vector for spoofing.
Display a "Not secure" badge for all data URLs, regardless of whether
they show a password or credit card field.

BUG=684811

Review-Url: https://codereview.chromium.org/2648353005
Cr-Commit-Position: refs/heads/master@{#446536}
(cherry picked from commit effd1d519ff74fb1eb998e844f19d5079222b0fd)
==========

to

==========
[Merge M-57] Display "Not secure" verbose state for data: URLs

data: URLs don't define a secure context, and are a vector for spoofing.
Display a "Not secure" badge for all data URLs, regardless of whether
they show a password or credit card field.

BUG=684811

Review-Url: https://codereview.chromium.org/2648353005
Cr-Commit-Position: refs/heads/master@{#446536}
(cherry picked from commit effd1d519ff74fb1eb998e844f19d5079222b0fd)

Review-Url: https://codereview.chromium.org/2660333003 .
Cr-Commit-Position: refs/branch-heads/2987@{#206}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/4278958b00456579123ad87b6566...
==========

[meacer, 2017-01-31 00:35:05]

Committed patchset #1 (id:1) manually as
4278958b00456579123ad87b65663df2de8e8af6.

[meacer, 2017-01-31 00:39:15]

meacer@chromium.org changed reviewers:
+ estark@chromium.org

[meacer, 2017-01-31 00:39:16]

estark: Already landed, so please consider this your TBR.