Move confirm into ApplicationDelegate

Signed-off-by: Max Brunsfeld <maxbrunsfeld@github.com>

src/application-delegate.coffee

@@ -94,9 +94,28 @@ class ApplicationDelegate
     screen = remote.require 'screen'
     screen.getPrimaryDisplay().workAreaSize
 
-  showMessageDialog: (params) ->
+  confirm: ({message, detailedMessage, buttons}) ->
+    buttons ?= {}
+    if _.isArray(buttons)
+      buttonLabels = buttons
+    else
+      buttonLabels = Object.keys(buttons)
+
     dialog = remote.require('dialog')
-    dialog.showMessageBox remote.getCurrentWindow(), params
+    chosen = dialog.showMessageBox(remote.getCurrentWindow(), {
+      type: 'info'
+      message: message
+      detail: detailedMessage
+      buttons: buttonLabels
+    })
+
+    if _.isArray(buttons)
+      chosen
+    else
+      callback = buttons[buttonLabels[chosen]]
+      callback?()
+
+  showMessageDialog: (params) ->
 
   showSaveDialog: (params) ->
     if _.isString(params)

src/atom-environment.coffee

@@ -684,25 +684,8 @@ class AtomEnvironment extends Model
   #     button names and the values are callbacks to invoke when clicked.
   #
   # Returns the chosen button index {Number} if the buttons option was an array.
-  confirm: ({message, detailedMessage, buttons}={}) ->
-    buttons ?= {}
-    if _.isArray(buttons)
-      buttonLabels = buttons
-    else
-      buttonLabels = Object.keys(buttons)
-
-    chosen = @applicationDelegate.showMessageDialog(
-      type: 'info'
-      message: message
-      detail: detailedMessage
-      buttons: buttonLabels
-    )
-
-    if _.isArray(buttons)
-      chosen
-    else
-      callback = buttons[buttonLabels[chosen]]
-      callback?()
+  confirm: (params={}) ->
+    @applicationDelegate.confirm(params)
 
   ###
   Section: Managing the Dev Tools