The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/10ff30f72b8ac4d842ea154f29420a946a463b66

commit 10ff30f72b8ac4d842ea154f29420a946a463b66
Author: bmcquade <bmcquade@chromium.org>
Date: Mon Jul 11 15:16:49 2016

Add DocWrite.Block metric for NavigationToFirstContentfulPaint.

We have ParseStartToFirstContentfulPaint for DocWrite.Block, which is
useful for understanding the exact impact of the change on the period
from parse start to FCP, but it's also important to measure the overall
time from navigation to FCP. This change adds a metric to track this
overall time.

BUG= 626945 

Review-Url: https://codereview.chromium.org/2140443002
Cr-Commit-Position: refs/heads/master@{#404660}

[modify] https://crrev.com/10ff30f72b8ac4d842ea154f29420a946a463b66/chrome/browser/page_load_metrics/observers/document_write_page_load_metrics_observer.cc

Your change meets the bar and is auto-approved for M53 (branch: 2785)

This issue has been approved for a merge. Please merge the fix to any appropriate branches as soon as possible!

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The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7169ff247b58da0b76dd8cc590107e02606f19d4

commit 7169ff247b58da0b76dd8cc590107e02606f19d4
Author: bmcquade <bmcquade@chromium.org>
Date: Sat Jul 16 17:10:17 2016

Add DocWrite.Block metric for NavigationToFirstContentfulPaint.

We have ParseStartToFirstContentfulPaint for DocWrite.Block, which is
useful for understanding the exact impact of the change on the period
from parse start to FCP, but it's also important to measure the overall
time from navigation to FCP. This change adds a metric to track this
overall time.

BUG= 626945 
TBR=shivanisha
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2140443002
Cr-Commit-Position: refs/heads/master@{#404660}
(cherry picked from commit 10ff30f72b8ac4d842ea154f29420a946a463b66)

Review-Url: https://codereview.chromium.org/2158603003
Cr-Commit-Position: refs/branch-heads/2785@{#170}
Cr-Branched-From: 68623971be0cfc492a2cb0427d7f478e7b214c24-refs/heads/master@{#403382}

[modify] https://crrev.com/7169ff247b58da0b76dd8cc590107e02606f19d4/chrome/browser/page_load_metrics/observers/document_write_page_load_metrics_observer.cc