Issue 3823 - Split up message responder code

lib/devtools.js

Index: lib/devtools.js
===================================================================
--- a/lib/devtools.js
+++ b/lib/devtools.js
@@ -22,6 +22,8 @@
 let {FilterStorage} = require("filterStorage");
 let {defaultMatcher} = require("matcher");
 let {FilterNotifier} = require("filterNotifier");
+let {extractHostFromFrame} = require("url");
+let {port} = require("messaging");
 
 const nonRequestTypes = ["DOCUMENT", "ELEMHIDE", "GENERICBLOCK", "GENERICHIDE"];
 
@@ -155,7 +157,7 @@
  * @param {string[]} selectors  The CSS selectors of active elemhide filters
  * @param {string}   docDomain  The IDN-decoded hostname of the document
  */
-exports.logHiddenElements = function(page, selectors, docDomain)
+function logHiddenElements(page, selectors, docDomain)
 {
   let panel = getActivePanel(page);
   {
@@ -380,3 +382,11 @@
 
   panels[inspectedTabId] = {port: port, records: []};
 });
+
+port.on("devtools.traceElemHide", (message, sender) =>
+{
+  logHiddenElements(
+    message.page, message.selectors,
+    extractHostFromFrame(sender.frame)
+  );
+});