Update content and media unittest isolate targets.

media/media.gyp

 # Copyright (c) 2012 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,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 1926 matching lines @@
                 ['include', '^base/mac/coremedia_glue\\.mm$'],
                 ['include', '^base/mac/corevideo_glue\\.h$'],
                 ['include', '^base/mac/videotoolbox_glue\\.h$'],
                 ['include', '^base/mac/videotoolbox_glue\\.mm$'],
               ],
             }],
           ],  # target_conditions
         },
       ],
     }],
+    ['test_isolation_mode != "noop" and archive_gpu_tests==1', {
+      'targets': [
+        {
+          'target_name': 'media_unittests_run',
+          'type': 'none',
+          'dependencies': [
+            'media_unittests',
+          ],
+          'includes': [
+            '../build/isolate.gypi',
+            'media_unittests.isolate',
+          ],
+          'sources': [
+            'media_unittests.isolate',
+          ],
+        },
+      ],
+    }],
   ],
 }