Merge of "Add DownloadStatus metric to FaviconHandler" into M59

Merge of "Add DownloadStatus metric to FaviconHandler" into M59

This is a merge of https://codereview.chromium.org/2808063002/ into M59.

Reason: recording metrics in M59 (and not waiting for M60).

=== Original description ===

Add DownloadStatus metric to FaviconHandler

This metric records how often single icon downloads fail with 404 and
how often 404'ing icons can be skipped because they were already known.

BUG=694956
Review-Url: https://codereview.chromium.org/2808063002
Cr-Commit-Position: refs/heads/master@{#465545}
(cherry picked from commit be0a6071e24bc1e0f432533042d3d813bbe6ed3f)

Review-Url: https://codereview.chromium.org/2843703002 .
Cr-Commit-Position: refs/branch-heads/3071@{#193}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/a35ca902cc2840eaaab3715060a4a17f91d486c8

[fhorschig, 2017-04-25 07:50:07]

Description was changed from

==========
Merge of "Add DownloadStatus metric to FaviconHandler" into M59

This is a merge of https://codereview.chromium.org/2808063002/ into M59.

Reason: recording metrics in M59 (and not waiting for M60).

=== Original description ===

Add DownloadStatus metric to FaviconHandler

This metric records how often single icon downloads fail with 404 and
how often 404'ing icons can be skipped because they were already known.

BUG=672939

Review-Url: https://codereview.chromium.org/2808063002
Cr-Commit-Position: refs/heads/master@{#465545}
(cherry picked from commit be0a6071e24bc1e0f432533042d3d813bbe6ed3f)
==========

to

==========
Merge of "Add DownloadStatus metric to FaviconHandler" into M59

This is a merge of https://codereview.chromium.org/2808063002/ into M59.

Reason: recording metrics in M59 (and not waiting for M60).

=== Original description ===

Add DownloadStatus metric to FaviconHandler

This metric records how often single icon downloads fail with 404 and
how often 404'ing icons can be skipped because they were already known.

BUG=672939

Review-Url: https://codereview.chromium.org/2808063002
Cr-Commit-Position: refs/heads/master@{#465545}
(cherry picked from commit be0a6071e24bc1e0f432533042d3d813bbe6ed3f)

Review-Url: https://codereview.chromium.org/2843703002 .
Cr-Commit-Position: refs/branch-heads/3071@{#193}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/a35ca902cc2840eaaab3715060a4...
==========

[fhorschig, 2017-04-25 07:50:09]

Committed patchset #1 (id:1) manually as
a35ca902cc2840eaaab3715060a4a17f91d486c8.

[fhorschig, 2017-04-25 07:53:09]

Description was changed from

==========
Merge of "Add DownloadStatus metric to FaviconHandler" into M59

This is a merge of https://codereview.chromium.org/2808063002/ into M59.

Reason: recording metrics in M59 (and not waiting for M60).

=== Original description ===

Add DownloadStatus metric to FaviconHandler

This metric records how often single icon downloads fail with 404 and
how often 404'ing icons can be skipped because they were already known.

BUG=672939

Review-Url: https://codereview.chromium.org/2808063002
Cr-Commit-Position: refs/heads/master@{#465545}
(cherry picked from commit be0a6071e24bc1e0f432533042d3d813bbe6ed3f)

Review-Url: https://codereview.chromium.org/2843703002 .
Cr-Commit-Position: refs/branch-heads/3071@{#193}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/a35ca902cc2840eaaab3715060a4...
==========

to

==========
Merge of "Add DownloadStatus metric to FaviconHandler" into M59

This is a merge of https://codereview.chromium.org/2808063002/ into M59.

Reason: recording metrics in M59 (and not waiting for M60).

=== Original description ===

Add DownloadStatus metric to FaviconHandler

This metric records how often single icon downloads fail with 404 and
how often 404'ing icons can be skipped because they were already known.

BUG=694956

Review-Url: https://codereview.chromium.org/2808063002
Cr-Commit-Position: refs/heads/master@{#465545}
(cherry picked from commit be0a6071e24bc1e0f432533042d3d813bbe6ed3f)

Review-Url: https://codereview.chromium.org/2843703002 .
Cr-Commit-Position: refs/branch-heads/3071@{#193}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/a35ca902cc2840eaaab3715060a4...
==========