Share a tool for listing dependencies thus fixing a dependency problem on Windows.

dart/utils/apidoc/apidoc.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': 'api_docs',
       'type': 'none',
       'dependencies': [
         '../../frog/dart-frog.gyp:frog',
         '../../runtime/dart-runtime.gyp:dart',
       ],
       'actions': [
         {
           'action_name': 'run_apidoc',
           'inputs': [
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
             '<(PRODUCT_DIR)/frog/bin/frog',
-            '<!@(["python", "scripts/list_files.py"])',
+            '<!@(["python", "../../tools/list_files.py", "\\.(css|dart|ico|js|json|png|sh|txt)$", ".", "../../lib/dartdoc"])',
           ],
           'outputs': [
             '<(PRODUCT_DIR)/api_docs/index.html',
             '<(PRODUCT_DIR)/api_docs/client-live-nav.js',
           ],
           'action': [
             '<(PRODUCT_DIR)/<(EXECUTABLE_PREFIX)dart<(EXECUTABLE_SUFFIX)',
             'apidoc.dart',
             '--out=<(PRODUCT_DIR)/api_docs',
             '--mode=live-nav',
             '--compiler=<(PRODUCT_DIR)/frog/bin/frog',
           ],
         },
       ],
     }
   ],
 }