Addition of optional giveFocus parameter to experimental.popup.show(...)

chrome/common/extensions/api/extension_api.json

 [
   {
     "namespace": "extension",
     "unprivileged": true,
     "types": [
       {
         "id": "MessageSender",
         "type": "object",
         "description": "An object containing information about the script context that sent a message or request.",
         "properties": {
@@ skipping 1650 matching lines @@
           {
             "type": "object",
             "name": "showDetails",
             "properties": {
               "relativeTo": {
                 "type": "object",
                 "properties": {},
                 "additionalProperties": { "type": "any" },
                 "isInstanceOf": "HTMLElement",
                 "description": "A HTML DOM object to which the pop-up's position will be made relative."
+              },
+              "giveFocus": {
+                "type": "boolean",
+                "description": "Pass true to give the focus to the popup window.  The default behaviour is true.",
+                "optional": true
               }
             }
           },
           {
             "type": "function",
             "name": "callback",
             "optional": true,
             "parameters": []
           }
         ]
@@ skipping 76 matching lines @@
         "type": "function",
         "description": "Logs a message during internal unit testing.",
         "parameters": [
           {"type": "string", "name": "message"}
         ]
       }
     ],
     "events": []
   }
 ]