Add emoji-metadata to third_party

chrome-eng-reviews approval:http://g/chrome-eng-review/Jg_kfpi26ac

BUG:b/175254005

Change-Id: I1ca4a8cd4927d1b211ed6d33ed255293c2053ef1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2608100Reviewed-by: Alex Gough <ajgo@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Keith Lee <keithlee@chromium.org>
Commit-Queue: John Palmer <jopalmer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#840473}

DEPS

@@ -904,6 +904,10 @@ deps = {
   'src/third_party/eigen3/src':
     Var('chromium_git') + '/external/gitlab.com/libeigen/eigen.git' + '@' + '2ce2f5198929caab4b41a6ad1b9c93f67d8b9a69',
 
+  'src/third_party/emoji-metadata/src': {
+    'url': Var('chromium_git') + '/external/github.com/googlefonts/emoji-metadata' + '@' + '9d8e5cfe52ee763b7dd91e33e5a50250efbf7135',
+    'condition': 'checkout_chromeos',
+  },
 
   'src/third_party/espresso': {
       'packages': [

third_party/.gitignore

@@ -72,6 +72,7 @@
 /eigen3/src
 /elfutils/src
 /emoji-segmenter/src
+/emoji-metadata/src
 /espresso/lib/
 /expat/src
 /eyesfree/src

third_party/emoji-metadata/OWNERS

+jopalmer@chromium.org
+file://chrome/browser/chromeos/input_method/OWNERS

third_party/emoji-metadata/README.chromium

+Name: emoji-metadata
+Short Name: emoji-metadata
+URL: https://github.com/googlefonts/emoji-metadata
+Version: 0
+Date: 20210105
+Revision: 9d8e5cfe52ee763b7dd91e33e5a50250efbf7135
+License: Apache 2.0
+License File: LICENCE
+Security Critical: yes
+
+Description:
+This is an import of the emoji metadata repository from the source URL above.  The emoji metadata repository contains a JSON file with an ordering for emoji which can be used in an emoji picker.  This ordering also includes full skin tone support.  It is currently used for the chrome OS emoji picker.