Revert "Flush DOM before displaying context menu"

src/main-process/atom-window.coffee

@@ -3,7 +3,6 @@ path = require 'path'
 fs = require 'fs'
 url = require 'url'
 {EventEmitter} = require 'events'
-ContextMenu = require './context-menu'
 
 module.exports =
 class AtomWindow
@@ -101,8 +100,11 @@ class AtomWindow
 
   hasProjectPath: -> @getLoadSettings().initialPaths?.length > 0
 
-  openContextMenu: (menuTemplate) ->
-    new ContextMenu(menuTemplate, this)
+  setupContextMenu: ->
+    ContextMenu = require './context-menu'
+
+    @browserWindow.on 'context-menu', (menuTemplate) =>
+      new ContextMenu(menuTemplate, this)
 
   containsPaths: (paths) ->
     for pathToCheck in paths
@@ -164,6 +166,8 @@ class AtomWindow
       unless url is @browserWindow.webContents.getURL()
         event.preventDefault()
 
+    @setupContextMenu()
+
     if @isSpec
       # Spec window's web view should always have focus
       @browserWindow.on 'blur', =>