components: Add Exosphere component.

components/components.gyp

 # Copyright (c) 2013 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': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 182 matching lines @@
     # in components/apps.
     ['enable_extensions == 1 and chromeos == 1', {
       'includes': [
         'chrome_apps.gypi',
       ],
     }],
     ['enable_rlz_support==1', {
       'includes': [
         'rlz.gypi',
       ],
-    }]
+    }],
+    ['use_ash==1', {
+      'includes': [
+        'exo.gypi',
+      ],
+    }],
   ],
 }