Use desktop toolbar icons in VR.

Use desktop toolbar icons in VR.

Previously, VR was using similar-looking icons to the desktop location
bar.  This CL switches to use the same icons.  As a result, the VR lock
icon no longer has a key-hole in it.

BUG=728175
Change-Id: I3c7af24303db28d5de5157ed6cf37c362d70cc88
Reviewed-on: https://chromium-review.googlesource.com/521322
Reviewed-by: Evan Stade <estade@chromium.org>;
Reviewed-by: Peter Kasting <pkasting@chromium.org>;
Commit-Queue: Christopher Grant <cjgrant@chromium.org>;
Cr-Original-Commit-Position: refs/heads/master@{#477120}
Review-Url: https://codereview.chromium.org/2923843002 .
Cr-Commit-Position: refs/branch-heads/3112@{#192}
Cr-Branched-From: b6460e24cf59f429d69de255538d0fc7a425ccf9-refs/heads/master@{#474897}
Committed: https://chromium.googlesource.com/chromium/src/+/49e1d0dfe45f9c748178eac73e41266534c10c90

[cjgrant, 2017-06-06 18:13:03]

Description was changed from

==========
Use desktop toolbar icons in VR.

Previously, VR was using similar-looking icons to the desktop location
bar.  This CL switches to use the same icons.  As a result, the VR lock
icon no longer has a key-hole in it.

BUG=728175

Change-Id: I3c7af24303db28d5de5157ed6cf37c362d70cc88
Reviewed-on: https://chromium-review.googlesource.com/521322
Reviewed-by: Evan Stade <estade@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Christopher Grant <cjgrant@chromium.org>
Cr-Commit-Position: refs/heads/master@{#477120}
(cherry picked from commit fabef214e234775f39979def43eaaa3d92ce6494)
==========

to

==========
Use desktop toolbar icons in VR.

Previously, VR was using similar-looking icons to the desktop location
bar.  This CL switches to use the same icons.  As a result, the VR lock
icon no longer has a key-hole in it.

BUG=728175

Change-Id: I3c7af24303db28d5de5157ed6cf37c362d70cc88
Reviewed-on: https://chromium-review.googlesource.com/521322
Reviewed-by: Evan Stade <estade@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Christopher Grant <cjgrant@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#477120}
Review-Url: https://codereview.chromium.org/2923843002 .
Cr-Commit-Position: refs/branch-heads/3112@{#192}
Cr-Branched-From:
b6460e24cf59f429d69de255538d0fc7a425ccf9-refs/heads/master@{#474897}
Committed:
https://chromium.googlesource.com/chromium/src/+/49e1d0dfe45f9c748178eac73e41...
==========

[cjgrant, 2017-06-06 18:13:04]

Committed patchset #1 (id:1) manually as
49e1d0dfe45f9c748178eac73e41266534c10c90.