Python 3 compatibility

pylib/gyp/MSVSUtil.py

 # Copyright (c) 2013 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.
 
 """Utility functions shared amongst the Windows generators."""
 
 import copy
 import os
 
 
@@ skipping 217 matching lines @@
     shim_target_name = target_name + '_' + shim_suffix
     full_shim_target_name = _SuffixName(t, shim_suffix)
     shim_dict = copy.deepcopy(base_dict)
     shim_dict['target_name'] = shim_target_name
     shim_dict['type'] = 'static_library'
     shim_dict['sources'] = [ shim_cc_path ]
     shim_dict['dependencies'] = [ full_copy_target_name ]
 
     # Set up the shim to output its PDB to the same location as the final linker
     # target.
-    for config_name, config in shim_dict.get('configurations').iteritems():
+    for config_name, config in shim_dict.get('configurations').items():
       pdb_path = _GetPdbPath(target_dict, config_name, vars)
 
       # A few keys that we don't want to propagate.
       for key in ['msvs_precompiled_header', 'msvs_precompiled_source', 'test']:
         config.pop(key, None)
 
       msvs = config.setdefault('msvs_settings', {})
 
       # Update the compiler directives in the shim target.
       compiler = msvs.setdefault('VCCLCompilerTool', {})
@@ skipping 12 matching lines @@
     # the dependency generation works as expected in ninja.
     target_list.insert(0, full_copy_target_name)
     target_list.insert(0, full_shim_target_name)
     target_dicts[full_copy_target_name] = copy_dict
     target_dicts[full_shim_target_name] = shim_dict
 
     # Update the original target to depend on the shim target.
     target_dict.setdefault('dependencies', []).append(full_shim_target_name)
 
   return (target_list, target_dicts)