Bug 1278762 - Support share this page from context menu in RDM. r=ochameau

MozReview-Commit-ID: 4hYKxkuvxp4

--HG--
extra : rebase_source : 9745f9f0a85666791b1c97347e4000cbf4f5e46c

devtools/client/responsive.html/browser/tunnel.js

@@ -414,6 +414,9 @@ MessageManagerTunnel.prototype = {
     "Finder:",
     // Messages sent from InlineSpellChecker.jsm
     "InlineSpellChecker:",
+    // Messages sent from browser-social.js
+    "Social:",
+    "PageMetadata:",
   ],
 
   INNER_TO_OUTER_MESSAGE_PREFIXES: [
@@ -423,6 +426,9 @@ MessageManagerTunnel.prototype = {
     "Findbar:",
     // Messages sent to RemoteFinder.jsm
     "Finder:",
+    // Messages sent to browser-social.js
+    "Social:",
+    "PageMetadata:",
   ],
 
   OUTER_TO_INNER_FRAME_SCRIPTS: [