Use gyp.common.EnsureDirExists() in more places.

pylib/gyp/input.py

 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from compiler.ast import Const
 from compiler.ast import Dict
 from compiler.ast import Discard
 from compiler.ast import List
 from compiler.ast import Module
 from compiler.ast import Node
@@ skipping 804 matching lines @@
       if not generator_filelist_paths:
         path = os.path.join(build_file_dir, replacement)
       else:
         if os.path.isabs(build_file_dir):
           toplevel = generator_filelist_paths['toplevel']
           rel_build_file_dir = gyp.common.RelativePath(build_file_dir, toplevel)
         else:
           rel_build_file_dir = build_file_dir
         qualified_out_dir = generator_filelist_paths['qualified_out_dir']
         path = os.path.join(qualified_out_dir, rel_build_file_dir, replacement)
-        if not os.path.isdir(os.path.dirname(path)):
-          os.makedirs(os.path.dirname(path))
+        gyp.common.EnsureDirExists(path)
 
       replacement = gyp.common.RelativePath(path, build_file_dir)
       f = gyp.common.WriteOnDiff(path)
       for i in contents_list[1:]:
         f.write('%s\n' % i)
       f.close()
 
     elif run_command:
       use_shell = True
       if match['is_array']:
@@ skipping 1964 matching lines @@
     ValidateRunAsInTarget(target, target_dict, build_file)
     ValidateActionsInTarget(target, target_dict, build_file)
 
   # Generators might not expect ints.  Turn them into strs.
   TurnIntIntoStrInDict(data)
 
   # TODO(mark): Return |data| for now because the generator needs a list of
   # build files that came in.  In the future, maybe it should just accept
   # a list, and not the whole data dict.
   return [flat_list, targets, data]