Integrate user strings into the JSON policy template file

tools/grit/grit/format/policy_templates/writers/admx_writer.py

Index: tools/grit/grit/format/policy_templates/writers/admx_writer.py
diff --git a/tools/grit/grit/format/policy_templates/writers/admx_writer.py b/tools/grit/grit/format/policy_templates/writers/admx_writer.py
index 164175bdfed40b28570eaef21a9eebc55ea7ed37..5c479588eb5301618f6b0ea5d8ad6ed9eece9b82 100644
--- a/tools/grit/grit/format/policy_templates/writers/admx_writer.py
+++ b/tools/grit/grit/format/policy_templates/writers/admx_writer.py
@@ -6,12 +6,12 @@ from xml.dom import minidom
 from grit.format.policy_templates.writers import xml_formatted_writer
 
 
-def GetWriter(config, messages):
+def GetWriter(config):
   '''Factory method for instanciating the ADMXWriter. Every Writer needs a
   GetWriter method because the TemplateFormatter uses this method to
   instantiate a Writer.
   '''
-  return ADMXWriter(['win'], config, messages)
+  return ADMXWriter(['win'], config)
 
 
 class ADMXWriter(xml_formatted_writer.XMLFormattedWriter):