Separate overrides from init script.

atom.gyp

@@ -32,6 +32,7 @@
       'common/api/lib/shell.coffee',
       'common/lib/init.coffee',
       'renderer/lib/init.coffee',
+      'renderer/lib/override.coffee',
       'renderer/api/lib/ipc.coffee',
       'renderer/api/lib/remote.coffee',
     ],

renderer/lib/init.coffee

@@ -42,39 +42,5 @@ else
   global.__filename = __filename
   global.__dirname = __dirname
 
-# Redirect window.onerror to uncaughtException.
-window.onerror = (error) ->
-  if global.process.listeners('uncaughtException').length > 0
-    global.process.emit 'uncaughtException', error
-    true
-  else
-    false
-
-# Override default window.close, see:
-# https://github.com/atom/atom-shell/issues/70
-window.close = ->
-  require('remote').getCurrentWindow().close()
-
-# Override default window.open.
-window.open = (url, name, features) ->
-  options = {}
-  for feature in features.split ','
-    [name, value] = feature.split '='
-    options[name] =
-      if value is 'yes'
-        true
-      else if value is 'no'
-        false
-      else
-        value
-
-  options.x ?= options.left
-  options.y ?= options.top
-  options.title ?= name
-  options.width ?= 800
-  options.height ?= 600
-
-  BrowserWindow = require('remote').require 'browser-window'
-  browser = new BrowserWindow options
-  browser.loadUrl url
-  browser
+# Override default web functions.
+require path.join(__dirname, 'override')

renderer/lib/override.coffee

@@ -0,0 +1,36 @@
+# Redirect window.onerror to uncaughtException.
+window.onerror = (error) ->
+  if global.process.listeners('uncaughtException').length > 0
+    global.process.emit 'uncaughtException', error
+    true
+  else
+    false
+
+# Override default window.close, see:
+# https://github.com/atom/atom-shell/issues/70
+window.close = ->
+  require('remote').getCurrentWindow().close()
+
+# Override default window.open.
+window.open = (url, name, features) ->
+  options = {}
+  for feature in features.split ','
+    [name, value] = feature.split '='
+    options[name] =
+      if value is 'yes'
+        true
+      else if value is 'no'
+        false
+      else
+        value
+
+  options.x ?= options.left
+  options.y ?= options.top
+  options.title ?= name
+  options.width ?= 800
+  options.height ?= 600
+
+  BrowserWindow = require('remote').require 'browser-window'
+  browser = new BrowserWindow options
+  browser.loadUrl url
+  browser