Support int-typed policies in policy template generator

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

Index: tools/grit/grit/format/policy_templates/writers/json_writer.py
diff --git a/tools/grit/grit/format/policy_templates/writers/json_writer.py b/tools/grit/grit/format/policy_templates/writers/json_writer.py
index a1425c68fa88d1e2c42ad8aed92b70f5775de495..ca36bd21310389522ca3a3836ed71add68919f8e 100644
--- a/tools/grit/grit/format/policy_templates/writers/json_writer.py
+++ b/tools/grit/grit/format/policy_templates/writers/json_writer.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2010 The Chromium Authors. All rights reserved.
+# Copyright (c) 2011 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.
 
@@ -26,6 +26,8 @@ class JsonWriter(template_writer.TemplateWriter):
     example_value = policy['annotations']['example_value']
     if policy['type'] == 'string':
       example_value_str = '"' + example_value + '"'
+    elif policy['type'] == 'int':
+      example_value_str = str(example_value)
     elif policy['type'] == 'list':
       if example_value == []:
         example_value_str = '[]'