Extension Docs: Document asyncBlocking in the Web Request API Docs.

extensions/common/api/web_request.json

Index: extensions/common/api/web_request.json
diff --git a/extensions/common/api/web_request.json b/extensions/common/api/web_request.json
index 2aeecc85e22d300d029203d4fa37e4f0c55aef8e..82b2df32dfa14c6ce09758e89df287529871c27a 100644
--- a/extensions/common/api/web_request.json
+++ b/extensions/common/api/web_request.json
@@ -362,7 +362,7 @@
         "name": "onAuthRequired",
         "nocompile": true,
         "type": "function",
-        "description": "Fired when an authentication failure is received. The listener has three options: it can provide authentication credentials, it can cancel the request and display the error page, or it can take no action on the challenge. If bad user credentials are provided, this may be called multiple times for the same request.",
+        "description": "Fired when an authentication failure is received. The listener has three options: it can provide authentication credentials, it can cancel the request and display the error page, or it can take no action on the challenge. If bad user credentials are provided, this may be called multiple times for the same request. Note, only one of <code>'blocking'</code> or <code>'asyncBlocking'</code> modes must be specified in the <code>extraInfoSpec</code> parameter.",
         "parameters": [
           {
             "type": "object",
@@ -388,7 +388,8 @@
           {
             "type": "function",
             "optional": true,
-            "name": "callback",
+            "description" : "Only valid if <code>'asyncBlocking'</code> is specified as one of the <code>OnAuthRequiredOptions</code>.",
+            "name": "asyncCallback",
             "parameters": [
               {"name": "response", "$ref": "BlockingResponse"}
             ]