[VS Addin] Add visual studio 2012 support

visual_studio/NativeClientVSAddIn/InstallerResources/xml_patch.py

 #!/usr/bin/env python
 # 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.
 
 """ This module is a utility for applying an xml patch to an xml file.
 
 The format of the patch is described in the documentation for
 the patch_xml() function.
 """
@@ skipping 121 matching lines @@
       find_target = None
 
     # Otherwise this source element doesn't match any patch operations, add it.
     else:
       new_element.append(copy.deepcopy(source_child))
 
   # Raise exceptions if find/remove didn't finish before the end of the source.
   if find_target is not None:
     raise Exception('Find operation never matched:' + find_target.tag)
   elif len(remove_targets) != 0:
-    raise Exception('Remove operation never matched: ' + remove_targets)
+    raise Exception('Remove operation never matched: ' + str(remove_targets))
 
   # We may have more add operations after source has run empty:
   while patch_index < len(patch_children):
     if IsPatchAddTag(patch_children[patch_index].tag):
       for addition in patch_children[patch_index]:
         new_element.append(copy.deepcopy(addition))
       patch_index += 1
     else:
       raise Exception('Non-add operation attempted after source end. ' +
                       'Tag: %s, Children %s' %
@@ skipping 12 matching lines @@
   # Because the tag can be a sub-element of arbitrary elements it could inherit
   # any default namespace.
   return tag.endswith('PatchAdd')
 
 
 def IsPatchRemoveTag(tag):
   # We look at the end of the tag because we need to ignore the namespace.
   # Because the tag can be a sub-element of arbitrary elements it could inherit
   # any default namespace.
   return tag.endswith('PatchRemove')