chrome.i18n API (accept languages part 1)

chrome/common/extensions/api/extension_api.json

 [
   {
     "namespace": "extension",
     "types": [
       {
         "id": "Port",
         "type": "object",
         "description": "An object which allows two way communication with other pages.",
         "properties": {
           "name": {"type": "string"},
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               "url": { "type": "string", "optional": true, "description": "If present, the toolstrip mole will change it's content to the provided url. Otherwise, the current page will just be collapsed in size." }
             }
           },
           {"type": "function", "name": "callback", "optional": true, "parameters": []}
         ]
       }
     ],
     "events": []
   },
   {
+    "namespace": "i18n",
+    "types": [],
+    "functions": [
+      {
+        "name": "getAcceptLanguages",
+        "type": "function",
+        "description": "Get accept languages of browser",
+        "parameters": [
+          {
+            "type": "function",
+            "name": "callback",
+            "parameters": [
+              {"name": "languages", "type": "array", "items": {"type": "string"}, "description": "Array of the accept languages of the browser, such as en-US,en,zh-CN"}
+            ]
+          }
+        ]
+      }
+    ],
+    "events": [
+    ]
+  },
+  {
     "namespace": "devtools",
     "types": [
     ],
     "functions": [
       {
         "name": "getTabEvents",
         "type": "function",
         "description": "EXPERIMENTAL support for timeline API",
         "nodocs": "true",
         "parameters": [
@@ skipping 34 matching lines @@
         "type": "function",
         "description": "Logs a message during internal unit testing.",
         "parameters": [
           {"type": "string", "name": "message"}
         ]
       }
     ],
     "events": []
   }
 ]