Add shims for legacy electron APIs

Signed-off-by: Nathan Sobo <nathan@github.com>

src/electron-shims.js

@@ -0,0 +1,7 @@
+const electron = require('electron')
+
+electron.ipcRenderer.sendChannel = function () {
+  const Grim = require('grim')
+  Grim.deprecate('Use `ipcRenderer.send` instead of `ipcRenderer.sendChannel`')
+  return this.send.apply(this, arguments)
+}

src/initialize-application-window.coffee

@@ -6,6 +6,7 @@ module.exports = ({blobStore}) ->
   {getWindowLoadSettings} = require './window-load-settings-helpers'
   {ipcRenderer} = require 'electron'
   {resourcePath, isSpec, devMode, env} = getWindowLoadSettings()
+  require '../src/electron-shims'
 
   updateProcessEnv(env)
 

src/initialize-test-window.coffee

@@ -19,6 +19,7 @@ module.exports = ({blobStore}) ->
     {getWindowLoadSettings} = require './window-load-settings-helpers'
     AtomEnvironment = require '../src/atom-environment'
     ApplicationDelegate = require '../src/application-delegate'
+    require '../src/electron-shims'
 
     {testRunnerPath, legacyTestRunnerPath, headless, logFile, testPaths} = getWindowLoadSettings()