Add scripts to automatically build installer and disk image in GYP build. ...

installer/mac/installer.gyp

 # Copyright (c) 2009 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'variables': {
     'chromium_code': 1,
     'nppversion': '<!(python ../../plugin/version_info.py --commaversion)',
     'dotnppversion': '<!(python ../../plugin/version_info.py --version)',
 
@@ skipping 11 matching lines @@
     {
       'target_name': 'installer',
       'type': 'none',
       'dependencies': [
         '../../converter/converter.gyp:o3dConverter',
         '../../breakpad/breakpad.gyp:reporter',
         '../../documentation/documentation.gyp:*',
         '../../plugin/plugin.gyp:npo3dautoplugin',
         '../../samples/samples.gyp:samples',
       ],
+      'postbuilds': [
+        {
+          'variables': {
+            'installer_script_path': './make_installer.sh',
+          },
+          'postbuild_name': 'Make Installer',
+          'action': ['<(installer_script_path)', '<(dotnppversion)',],
+        },
+      ],
+    },
+    {
+      'target_name': 'disk_image',
+      'type': 'none',
+      'dependencies': [
+        'installer',
+      ],
+      'postbuilds': [
+        {
+          'variables': {
+            'disk_image_script_path': './make_disk_image.sh',
+          },
+          'postbuild_name': 'Make Disk Image',
+          'action': ['<(disk_image_script_path)', '<(dotnppversion)',],
+        },
+      ],
     },
   ],
 }