Bug 1518777 - make stoplisteners use promise style callbacks; r=ochameau

Differential Revision: https://phabricator.services.mozilla.com/D16680

--HG--
extra : moz-landing-system : lando

devtools/shared/webconsole/client.js

@@ -668,13 +668,13 @@ WebConsoleClient.prototype = {
    * @return request
    *         Request object that implements both Promise and EventEmitter interfaces
    */
-  stopListeners: function(listeners, onResponse) {
+  stopListeners: function(listeners) {
     const packet = {
       to: this.actorID,
       type: "stopListeners",
       listeners: listeners,
     };
-    return this._client.request(packet, onResponse);
+    return this._client.request(packet);
   },
 
   /**

devtools/shared/webconsole/test/test_basics.html

@@ -46,8 +46,8 @@ function onStartPageErrorAndConsoleAPI(aState, aResponse)
   ok(!aResponse.nativeConsoleAPI, "!nativeConsoleAPI");
 
   top.console = top.console_;
-  aState.client.stopListeners(["ConsoleAPI", "foo"],
-                              onStopConsoleAPI.bind(null, aState));
+  aState.client.stopListeners(["ConsoleAPI", "foo"])
+    .then(onStopConsoleAPI.bind(null, aState));
 }
 
 function onStopConsoleAPI(aState, aResponse)