update a few menu.popup() calls to use the new API

lib/browser/api/web-contents.js

@@ -293,7 +293,12 @@ WebContents.prototype._init = function () {
   this.on('pepper-context-menu', function (event, params, callback) {
     // Access Menu via electron.Menu to prevent circular require.
     const menu = electron.Menu.buildFromTemplate(params.menu)
-    menu.popup(event.sender.getOwnerBrowserWindow(), params.x, params.y, callback)
+    menu.popup({
+      window: event.sender.getOwnerBrowserWindow(),
+      x: params.x,
+      y: params.y,
+      callback: callback
+    })
   })
 
   // The devtools requests the webContents to reload.

lib/renderer/inspector.js

@@ -63,7 +63,7 @@ const createMenu = function (x, y, items) {
 
   // The menu is expected to show asynchronously.
   setTimeout(function () {
-    menu.popup(remote.getCurrentWindow())
+    menu.popup({window: remote.getCurrentWindow()})
   })
 }
 

spec/api-menu-spec.js

@@ -334,12 +334,12 @@ describe('Menu module', () => {
 
     it('should emit menu-will-show event', (done) => {
       menu.on('menu-will-show', () => { done() })
-      menu.popup(w)
+      menu.popup({window: w})
     })
 
     it('should emit menu-will-close event', (done) => {
       menu.on('menu-will-close', () => { done() })
-      menu.popup(w)
+      menu.popup({window: w})
       menu.closePopup()
     })