Adds us(intl_pc) IME to xkb extension.

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

 {
   "name": "Chrome OS XKB",
   "version": "1.0.5.0",
   "description": "Chrome OS XKB",
   "default_locale": "en",
   "incognito": "split",
   "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7C0oB6YTnf69uhWnVTZl5TB/psHrJXgIPLYchFb0whlVCG8fqMo9lW/oxBmZXZ3N8T7zZrdYI/SUjoc9I5R/dMVVD2q4iKox+x7xlTbqSdVeOb6b9ZVJ24pLbO1L7feSNSBgR0t61jrC2eY/gf78h7w58UEQBPFT2mUxhhwodyQIDAQAB",
   "permissions": [
     "accessibilityFeatures.read",
     "app.window.alpha",
@@ skipping 97 matching lines @@
         "en",
         "en-US"
       ],
       "layouts": [
         "us(intl)"
       ],
       "input_view": "inputview.html#id=us-intl&language=en-US&passwordLayout=us-intl&name=keyboard_us_international",
       "options_page": "hmm_options.html?code=xkb:us:intl:eng"
     },
     {
+      "name": "__MSG_keyboard_us_international_pc__",
+      "type": "ime",
+      "id": "xkb:us:intl_pc:eng",
+      "indicator": "INTL",
+      "description": "",
+      "language": [
+        "en",
+        "en-US"
+      ],
+      "layouts": [
+        "us(intl_pc)"
+      ],
+      "input_view": "inputview.html#id=us-intl&language=en-US&passwordLayout=us-intl&name=keyboard_us_international_pc",
+      "options_page": "hmm_options.html?code=xkb:us:intl_pc:eng"
+    },
+    {
       "name": "__MSG_keyboard_netherlands__",
       "type": "ime",
       "id": "xkb:us:intl:nld",
       "indicator": "NLD",
       "description": "",
       "language": [
         "nl"
       ],
       "layouts": [
         "us(intl)"
       ],
       "input_view": "inputview.html#id=nl.compact.qwerty&language=nl&passwordLayout=nl.compact.qwerty&name=keyboard_netherlands",
       "options_page": "hmm_options.html?code=xkb:us:intl:nld"
     },
     {
+      "name": "__MSG_keyboard_us_international_pc__",
+      "type": "ime",
+      "id": "xkb:us:intl_pc:nld",
+      "indicator": "NLD",
+      "description": "",
+      "language": [
+        "nl"
+      ],
+      "layouts": [
+        "us(intl_pc)"
+      ],
+      "input_view": "inputview.html#id=us-intl&language=nl&passwordLayout=us-intl&name=keyboard_us_international_pc",
+      "options_page": "hmm_options.html?code=xkb:us:intl_pc:nld"
+    },
+    {
       "name": "__MSG_keyboard_us_international__",
       "type": "ime",
       "id": "xkb:us:intl:por",
       "indicator": "INTL",
       "description": "",
       "language": [
         "pt-BR"
       ],
       "layouts": [
         "us(intl)"
       ],
       "input_view": "inputview.html#id=us-intl&language=pt-BR&passwordLayout=us-intl&name=keyboard_us_international",
       "options_page": "hmm_options.html?code=xkb:us:intl:por"
     },
     {
+      "name": "__MSG_keyboard_us_international_pc__",
+      "type": "ime",
+      "id": "xkb:us:intl_pc:por",
+      "indicator": "INTL",
+      "description": "",
+      "language": [
+        "pt-BR"
+      ],
+      "layouts": [
+        "us(intl_pc)"
+      ],
+      "input_view": "inputview.html#id=us-intl&language=pt-BR&passwordLayout=us-intl&name=keyboard_us_international_pc",
+      "options_page": "hmm_options.html?code=xkb:us:intl_pc:por"
+    },
+    {
       "name": "__MSG_keyboard_us_extended__",
       "type": "ime",
       "id": "xkb:us:altgr-intl:eng",
       "indicator": "EXTD",
       "description": "",
       "language": [
         "en",
         "en-US"
       ],
       "layouts": [
@@ skipping 1726 matching lines @@
         "ru"
       ],
       "layouts": [
         "us"
       ],
       "input_view": "inputview.html#id=m17n:ru_phone_yazhert&language=ru&passwordLayout=us-ltr&name=keyboard_russian_phonetic_yazhert"
     }
   ],
   "manifest_version": 2
 }