[DevTools] Fix to double wrapping IPv6 in square brackets

third_party/WebKit/LayoutTests/http/tests/inspector/resource-parameters-ipv6-expected.txt

 Tests that resources panel shows form data parameters.
 
   
 
+http://[::1]:8000/inspector/resources/post-target.cgi?queryParam1=queryValue1&queryParam2=
 {
     cache : {
     }
     connection : <string>
     request : {
         bodySize : <number>
         cookies : [
         ]
         headers : <object>
         headersSize : <number>
@@ skipping 16 matching lines @@
         queryString : [
             {
                 name : "queryParam1"
                 value : "queryValue1"
             }
             {
                 name : "queryParam2"
                 value : ""
             }
         ]
-        url : "http://127.0.0.1:8000/inspector/resources/post-target.cgi?queryParam1=queryValue1&queryParam2="
+        url : "http://[::1]:8000/inspector/resources/post-target.cgi?queryParam1=queryValue1&queryParam2="
     }
     response : {
         _transferSize : <number>
         bodySize : <number>
         content : {
             compression : <number>
             mimeType : "application/xml"
             size : 14
         }
         cookies : [
         ]
         headers : <object>
         headersSize : <number>
         httpVersion : "HTTP/1.1"
         redirectURL : ""
         status : 200
         statusText : "OK"
     }
-    serverIPAddress : "127.0.0.1"
+    serverIPAddress : "[::1]"
     startedDateTime : <plausible>
     time : <number>
     timings : <object>
 }