This CL logs the metrics to see the impact of document.write script blocking feature. The metrics a…

This CL logs the metrics to see the impact of document.write script blocking feature. The metrics are specifically for pages that have a blockable document.written script. The CL also has a metric to count the number of reloads for such pages to check if there is any increase in number of reloads possibly implying page breaks. BUG=603152
Review-Url: https://codereview.chromium.org/1918373002
Cr-Commit-Position: refs/heads/master@{#391526}
(cherry picked from commit e6340ed747c7d4dbeedff9c963b6bd27825dd03d)

BUG=603152
Committed: https://chromium.googlesource.com/chromium/src/+/373eee852ecbc50c9421f464133a4b0e0b93419e

[jkarlin, 2016-05-06 17:35:13]

Description was changed from

==========
This CL logs the metrics to see the impact of document.write script blocking
feature. The metrics are specifically for pages that have a blockable
document.written script. The CL also has a metric to count the number of reloads
for such pages to check if there is any increase in number of reloads possibly
implying page breaks. BUG=603152

Review-Url: https://codereview.chromium.org/1918373002
Cr-Commit-Position: refs/heads/master@{#391526}
(cherry picked from commit e6340ed747c7d4dbeedff9c963b6bd27825dd03d)

BUG=603152
==========

to

==========
This CL logs the metrics to see the impact of document.write script blocking
feature. The metrics are specifically for pages that have a blockable
document.written script. The CL also has a metric to count the number of reloads
for such pages to check if there is any increase in number of reloads possibly
implying page breaks. BUG=603152

Review-Url: https://codereview.chromium.org/1918373002
Cr-Commit-Position: refs/heads/master@{#391526}
(cherry picked from commit e6340ed747c7d4dbeedff9c963b6bd27825dd03d)

BUG=603152

Committed:
https://chromium.googlesource.com/chromium/src/+/373eee852ecbc50c9421f464133a...
==========

[jkarlin, 2016-05-06 17:35:15]

Committed patchset #1 (id:1) manually as
373eee852ecbc50c9421f464133a4b0e0b93419e.