Record the time when the interstitial is constructed

Record the time when the interstitial is constructed

In Safe Browsing Extended Reporting reports, send the timestamp at which
the interstitial was constructed, in addition to the timestamp of the
report being sent. This will be helpful in cases where the user fixes
the clock while the interstitial is showing (so that we can see the
client clock time that actually triggered the date error).

BUG=632218
Review-Url: https://codereview.chromium.org/2524903004
Cr-Commit-Position: refs/heads/master@{#434331}
(cherry picked from commit 6255265704c19083d47fb1500ee869f872dd546d)

Committed: https://chromium.googlesource.com/chromium/src/+/9acee6d2c7c5e3deaa441f2a29e08a660e2860bc

[estark, 2016-12-15 01:50:06]

Description was changed from

==========
Record the time when the interstitial is constructed

In Safe Browsing Extended Reporting reports, send the timestamp at which
the interstitial was constructed, in addition to the timestamp of the
report being sent. This will be helpful in cases where the user fixes
the clock while the interstitial is showing (so that we can see the
client clock time that actually triggered the date error).

BUG=632218

Review-Url: https://codereview.chromium.org/2524903004
Cr-Commit-Position: refs/heads/master@{#434331}
(cherry picked from commit 6255265704c19083d47fb1500ee869f872dd546d)
==========

to

==========
Record the time when the interstitial is constructed

In Safe Browsing Extended Reporting reports, send the timestamp at which
the interstitial was constructed, in addition to the timestamp of the
report being sent. This will be helpful in cases where the user fixes
the clock while the interstitial is showing (so that we can see the
client clock time that actually triggered the date error).

BUG=632218

Review-Url: https://codereview.chromium.org/2524903004
Cr-Commit-Position: refs/heads/master@{#434331}
(cherry picked from commit 6255265704c19083d47fb1500ee869f872dd546d)

Committed:
https://chromium.googlesource.com/chromium/src/+/9acee6d2c7c5e3deaa441f2a29e0...
==========

[estark, 2016-12-15 01:50:07]

Committed patchset #1 (id:1) manually as
9acee6d2c7c5e3deaa441f2a29e08a660e2860bc.