Add Workman keyboard layout

chrome/browser/resources/chromeos/input_method/xkb_manifest.json

 {
   "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsVpj8qC5VhObWORqQ3odZm+z5Vf58jWtqG2dmWkG87gsS1ZuYm4jA7mFZItOxgMENpYYWla8HCs21W6hEGoydDiIEAEVaWMTzCw19/x0m/LMeNIBtuaZ/IJQvFJuo1KHvmHX0lWxsHZgUfwpeDQFAqytDHjI0/50bI9P31eZKlZwkAWsRI3RoDuOv5YMVXIo3Y/CeTnG1OuxZOE9dr9Z7URfJ4vvkBytfKlmJIk9Z5ovGow23aWf3Z6iYJaxJrqVJOhjNuWY1Axp2jvkngcmz+AfusEC9zbmeg0moVLLykPD5x76dEH0BwFTFQk6fOcJy+vGotR2bKNVf0xhFlKueQIDAQAB",
   "name": "Chrome OS XKB",
   "version": "1.0.1.0",
   "description": "Chrome OS XKB",
   "default_locale": "en",
   "permissions": [
     "app.window.ime",
     "app.window.alpha",
     "input",
@@ skipping 158 matching lines @@
       "language": [
         "en",
         "en-US"
       ],
       "layouts": [
         "us(colemak)"
       ],
       "input_view": "inputview.html?id=us-colemak&language=en-US&passwordLayout=us-colemak&name=keyboard_us_colemak"
     },
     {
+      "name": "__MSG_keyboard_us_workman__",
+      "type": "ime",
+      "id": "xkb:us:workman:eng",
+      "indicator": "WM",
+      "description": "",
+      "language": [
+        "en",
+        "en-US"
+      ],
+      "layouts": [
+        "us(workman)"
+      ],
+      "input_view": "inputview.html?id=us-workman&language=en-US&passwordLayout=us-workman&name=keyboard_us_workman"
+    },
+    {
+      "name": "__MSG_keyboard_us_workman_international__",
+      "type": "ime",
+      "id": "xkb:us:workman-intl:eng",
+      "indicator": "WMI",
+      "description": "",
+      "language": [
+        "en",
+        "en-US"
+      ],
+      "layouts": [
+        "us(workman-intl)"
+      ],
+      "input_view": "inputview.html?id=us-workman-intl&language=en-US&passwordLayout=us-workman-intl&name=keyboard_us_workman_international"
+    },
+    {
       "name": "__MSG_keyboard_belgian__",
       "type": "ime",
       "id": "xkb:be::nld",
       "description": "",
       "language": [
         "nl"
       ],
       "layouts": [
         "be"
       ],
@@ skipping 654 matching lines @@
         "ga"
       ],
       "layouts": [
         "ie"
       ],
       "input_view": "inputview.html?id=ie.compact.qwerty&language=ga&passwordLayout=ie.compact.qwerty&name=keyboard_irish"
     }
   ],
   "manifest_version": 2
 }