repair broken 'clear channel' button

www/common/common-messenger.js

@@ -633,6 +633,13 @@ define([
             });
         };
 
+        messenger.clearOwnedChannel = function (channel, cb) {
+            common.clearOwnedChannel(channel, function (e) {
+                if (e) { return void cb(e); }
+                cb();
+            });
+        };
+
         // TODO listen for changes to your friend list
         // emit 'update' events for clients
 

www/common/sframe-common-outer.js

@@ -559,6 +559,13 @@ define([
                         });
                     });
                 });
+                sframeChan.on('Q_CONTACTS_CLEAR_OWNED_CHANNEL', function (channel, cb) {
+                    messenger.clearOwnedChannel(channel, function (e) {
+                        cb({
+                            error: e,
+                        });
+                    });
+                });
 
                 messenger.on('message', function (message) {
                     sframeChan.event('EV_CONTACTS_MESSAGE', message);

www/common/sframe-messenger-inner.js

@@ -108,6 +108,12 @@ define([], function () {
             });
         };
 
+        messenger.clearOwnedChannel = function (channel, cb) {
+            sFrameChan.query('Q_CONTACTS_CLEAR_OWNED_CHANNEL', channel, function (e) {
+                cb(e);
+            });
+        };
+
         return messenger;
     };
 

www/common/sframe-protocol.js

@@ -156,6 +156,7 @@ define({
     'Q_CONTACTS_GET_MORE_HISTORY': true,
     'Q_CONTACTS_SEND_MESSAGE': true,
     'Q_CONTACTS_SET_CHANNEL_HEAD': true,
+    'Q_CONTACTS_CLEAR_OWNED_CHANNEL': true,
 
     // Put one or more entries to the localStore which will go in localStorage.
     'EV_LOCALSTORE_PUT': true,

www/contacts/messenger-ui.js

@@ -176,7 +176,8 @@ define([
             $(removeHistory).click(function () {
                 UI.confirm(Messages.contacts_confirmRemoveHistory, function (yes) {
                     if (!yes) { return; }
-                    Cryptpad.clearOwnedChannel(data.channel, function (e) {
+
+                    messenger.clearOwnedChannel(data.channel, function (e) {
                         if (e) {
                             console.error(e);
                             UI.alert(Messages.contacts_removeHistoryServerError);