Extensions: run "custom bindings" v8-extensions in content scripts.

chrome/common/extensions/api/storage.json

 [
   {
     "namespace": "storage",
+    "unprivileged": true,
     "types": [
       {
         "id": "StorageChange",
         "type": "object",
         "properties": {
           "oldValue": {
             "type": "any",
             "description": "The old value of the item, if there was an old value.",
             "optional": true
           },
           "newValue": {
             "type": "any",
             "description": "The new value of the item, if there is a new value.",
             "optional": true
           }
         }
       },
       {
         "id": "StorageArea",
         "type": "object",
         "functions": [
           {
             "name": "get",
-            "unprivileged": true,
             "type": "function",
             "description": "Gets one or more items from storage.",
             "parameters": [
               {
                 "name": "keys",
                 "choices": [
                   { "type": "string" },
                   { "type": "array", "items": { "type": "string" } },
                   {
                     "type": "object",
@@ skipping 16 matching lines @@
                     "properties": {},
                     "additionalProperties": { "type": "any" },
                     "description": "Object with items in their key-value mappings."
                   }
                 ]
               }
             ]
           },
           {
             "name": "getBytesInUse",
-            "unprivileged": true,
             "type": "function",
             "description": "Gets the amount of space (in bytes) being used by one or more items.",
             "parameters": [
               {
                 "name": "keys",
                 "choices": [
                   { "type": "string" },
                   { "type": "array", "items": { "type": "string" } }
                 ],
                 "description": "A single key or list of keys to get the total usage for. An empty list will return 0. Pass in <code>null</code> to get the total usage of all of storage.",
                 "optional": true
               },
               {
                 "name": "callback",
                 "type": "function",
                 "description": "Callback with the amount of space being used by storage, or on failure (in which case lastError will be set).",
                 "parameters": [
                   {
                     "name": "bytesInUse",
                     "type": "integer",
                     "description": "Amount of space being used in storage, in bytes."
                   }
                 ]
               }
             ]
           },
           {
             "name": "set",
-            "unprivileged": true,
             "type": "function",
             "description": "Sets multiple items.",
             "parameters": [
               {
                 "name": "items",
                 "type": "object",
                 "properties": {},
                 "additionalProperties": { "type": "any" },
                 "description": "Object specifying items to augment storage with. Values that cannot be serialized (functions, etc) will be ignored."
               },
               {
                 "name": "callback",
                 "type": "function",
                 "description": "Callback on success, or on failure (in which case lastError will be set).",
                 "parameters": [],
                 "optional": true
               }
             ]
           },
           {
             "name": "remove",
-            "unprivileged": true,
             "type": "function",
             "description": "Removes one or more items from storage.",
             "parameters": [
               {
                 "name": "keys",
                 "choices": [
                   {"type": "string"},
                   {"type": "array", "items": {"type": "string"}, "minItems": 1}
                 ],
                 "description": "A single key or a list of keys for items to remove."
               },
               {
                 "name": "callback",
                 "type": "function",
                 "description": "Callback on success, or on failure (in which case lastError will be set).",
                 "parameters": [],
                 "optional": true
               }
             ]
           },
           {
             "name": "clear",
-            "unprivileged": true,
             "type": "function",
             "description": "Removes all items from storage.",
             "parameters": [
               {
                 "name": "callback",
                 "type": "function",
                 "description": "Callback on success, or on failure (in which case lastError will be set).",
                 "parameters": [],
                 "optional": true
               }
             ]
           }
         ]
       }
     ],
     "events": [
       {
         "name": "onChanged",
-        "unprivileged": true,
         "type": "function",
         "description": "Fired when one or more items change.",
         "parameters": [
           {
             "name": "changes",
             "type": "object",
             "properties": {},
             "additionalProperties": { "$ref": "StorageChange" },
             "description": "Object mapping each key that changed to its corresponding <a href='#type-StorageChange'>StorageChange</a> for that item."
           },
           {
             "name": "namespace",
             "type": "string",
             "description": "The namespace (\"sync\" or \"local\") of the storage area the changes are for."
           }
         ]
       }
     ],
     "properties": {
       "sync": {
         "$ref": "StorageArea",
         "description": "Items under the \"sync\" namespace are synced using Chrome Sync.",
-        "unprivileged": true,
         "value": [ "sync" ],
         "properties": {
           "QUOTA_BYTES": {
             "type": "integer",
             "value": "102400",
-            "unprivileged": true,
             "description": "The maximum total amount (in bytes) of data that can be stored in sync storage."
           },
           "QUOTA_BYTES_PER_ITEM": {
             "type": "integer",
             "value": "2048",
-            "unprivileged": true,
             "description": "The maximum size (in bytes) of each individual item in sync storage."
           },
           "MAX_ITEMS": {
             "type": "integer",
             "value": "512",
-            "unprivileged": true,
             "description": "The maximum number of items that can be stored in sync storage."
           }
         }
       },
       "local": {
         "$ref": "StorageArea",
         "description": "Items under the \"local\" namespace are local to each machine.",
-        "unprivileged": true,
         "value": [ "local" ],
         "properties": {
           "QUOTA_BYTES": {
             "type": "integer",
             "value": "5120000",
-            "unprivileged": true,
             "description": "The maximum amount (in bytes) of data that can be stored in local storage. This value may be ignored if the extension has the <code>unlimitedStorage</code> permission."
           }
         }
       }
     }
   }
 ]