Add a postbuild action for executables built with ASan on Mac OS.

build/all.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.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
       'dependencies': [
         'some.gyp:*',
         '../base/base.gyp:*',
+        '../build/mac/asan.gyp:*',
         '../chrome/chrome.gyp:*',
         '../content/content.gyp:*',
         '../crypto/crypto.gyp:*',
         '../media/media.gyp:*',
         '../net/net.gyp:*',
         '../sdch/sdch.gyp:*',
         '../sql/sql.gyp:*',
         '../sync/sync.gyp:*',
         '../testing/gmock.gyp:*',
         '../testing/gtest.gyp:*',
@@ skipping 791 matching lines @@
             '../chrome/chrome.gyp:browser_tests_run',
             '../chrome/chrome.gyp:sync_integration_tests_run',
             '../chrome/chrome.gyp:unit_tests_run',
             '../net/net.gyp:net_unittests_run',
           ],
         }, # target_name: chromium_swarm_tests
       ],
     }],
   ], # conditions
 }