Lower the webfont loading priority only if the user is in V2 field trial

Lower the webfont loading priority only if the user is in V2 field trial

Currently, the loading priority of web fonts is changed to Low if the
user is on 2G network (regardless of if Chrome is a part of
WebFontsInterventionV2 field trial or not). This CL adds an additional
constraint so that the loading priority is changed only if Chrome is
part of V2 field trial. This makes it possible to quantify the effect
of changing the loading priority as part of the WebFontsInterventionV2
field trial.

BUG=665504
Review-Url: https://codereview.chromium.org/2763523002
Cr-Commit-Position: refs/heads/master@{#458681}
(cherry picked from commit fd4fb29de4630be62b296e01987d7bd09d0e4a6e)

Review-Url: https://codereview.chromium.org/2769183003 .
Cr-Commit-Position: refs/branch-heads/3029@{#393}
Cr-Branched-From: 939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}
Committed: https://chromium.googlesource.com/chromium/src/+/d9e025babf3ed584560c602f7a1adbd7a9d5f8c2

[tbansal1, 2017-03-23 20:26:25]

Description was changed from

==========
Lower the webfont loading priority only if the user is in V2 field trial

Currently, the loading priority of web fonts is changed to Low if the
user is on 2G network (regardless of if Chrome is a part of
WebFontsInterventionV2 field trial or not). This CL adds an additional
constraint so that the loading priority is changed only if Chrome is
part of V2 field trial. This makes it possible to quantify the effect
of changing the loading priority as part of the WebFontsInterventionV2
field trial.

BUG=665504

Review-Url: https://codereview.chromium.org/2763523002
Cr-Commit-Position: refs/heads/master@{#458681}
(cherry picked from commit fd4fb29de4630be62b296e01987d7bd09d0e4a6e)
==========

to

==========
Lower the webfont loading priority only if the user is in V2 field trial

Currently, the loading priority of web fonts is changed to Low if the
user is on 2G network (regardless of if Chrome is a part of
WebFontsInterventionV2 field trial or not). This CL adds an additional
constraint so that the loading priority is changed only if Chrome is
part of V2 field trial. This makes it possible to quantify the effect
of changing the loading priority as part of the WebFontsInterventionV2
field trial.

BUG=665504

Review-Url: https://codereview.chromium.org/2763523002
Cr-Commit-Position: refs/heads/master@{#458681}
(cherry picked from commit fd4fb29de4630be62b296e01987d7bd09d0e4a6e)

Review-Url: https://codereview.chromium.org/2769183003 .
Cr-Commit-Position: refs/branch-heads/3029@{#393}
Cr-Branched-From:
939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}
Committed:
https://chromium.googlesource.com/chromium/src/+/d9e025babf3ed584560c602f7a1a...
==========

[tbansal1, 2017-03-23 20:26:26]

Committed patchset #1 (id:1) manually as
d9e025babf3ed584560c602f7a1adbd7a9d5f8c2.