Refactored OpenGL embedder that works on Android, Mac or Linux.

dart.gyp

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 {
   'targets': [
     {
       'target_name': 'compiler',
       'type': 'none',
       'dependencies': [
@@ skipping 99 matching lines @@
       'target_name': 'api_docs',
       'type': 'none',
       'dependencies': [
         'utils/apidoc/apidoc.gyp:api_docs',
       ],
     },
     {
       'target_name': 'samples',
       'type': 'none',
       'conditions': [
-         ['OS=="android"', {
-            'dependencies': [
-              'samples/android_sample/android_sample.gyp:android_sample',
-            ],
+        ['OS=="android"', {
+           'dependencies': [
+             'samples/android_sample/android_sample.gyp:android_sample',
+           ],
           },
         ],
-         ['OS!="android"', {
-            'dependencies': [
-              'samples/sample_extension/sample_extension.gyp:sample_extension',
-            ],
+        ['OS=="win"', {
+           'dependencies': [
+             'samples/sample_extension/sample_extension.gyp:sample_extension',
+           ],
           },
-        ]
-      ],
+        ],
+        ['OS=="mac" or OS=="linux"', {
+           'dependencies': [
+             'samples/sample_extension/sample_extension.gyp:sample_extension',
+             'samples/mobile_emulator_sample/mobile_emulator_sample.gyp:mobile_emulator_sample',
+           ],
+          },
+        ],
+      ]
     },
     {
       'target_name': 'packages',
       'type': 'none',
       'dependencies': [
         'pkg/pkg.gyp:pkg_packages',
       ],
     },
   ],
 }