Fix variables expansion in build/mac/asan.gyp

build/mac/asan.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.
 
 {
    'targets': [
      {   
        'target_name': 'asan_dynamic_runtime',
        'type': 'none',
        'variables': {
@@ skipping 19 matching lines @@
              },
            ],
          }],
          # ASan works with iOS simulator only, not bare-metal iOS.
          ['OS=="ios" and target_arch=="ia32"', {
            'toolsets': ['host', 'target'],
            'copies': [
              {
                'destination': '<(PRODUCT_DIR)',
                'target_conditions': [
-                 ['_toolset=="host"', { 'files': [ 'asan_osx_dynamic'] }], 
-                 ['_toolset=="target"', { 'files': [ 'asan_iossim_dynamic'] }], 
+                 ['_toolset=="host"', {
+                   'files': [ '<!(/bin/ls <(asan_osx_dynamic))'],
+                 }],
+                 ['_toolset=="target"', {
+                   'files': [ '<!(/bin/ls <(asan_iossim_dynamic))'],
+                 }],
                ],
              },
            ],
          }],
        ],
      },  
    ],  
 }