Include 'external' policies in grit output (admx, adm, doc etc.)

components/policy/tools/template_writers/writers/plist_writer_unittest.py

Index: components/policy/tools/template_writers/writers/plist_writer_unittest.py
diff --git a/components/policy/tools/template_writers/writers/plist_writer_unittest.py b/components/policy/tools/template_writers/writers/plist_writer_unittest.py
index 8ffa219f8f9563a65d24ca071dbbe8ea58be6c2e..57727acdc7a2935c3baa65c3cdcedfc5f3caee08 100755
--- a/components/policy/tools/template_writers/writers/plist_writer_unittest.py
+++ b/components/policy/tools/template_writers/writers/plist_writer_unittest.py
@@ -629,6 +629,51 @@ class PListWriterUnittest(writer_unittest_common.WriterUnittestCommon):
     </array>''')
     self.assertEquals(output.strip(), expected_output.strip())
 
+  def testExternalPolicy(self):
+    # Tests a policy group with a single policy of type 'dict'.
+    policy_json = '''
+      {
+        'policy_definitions': [
+          {
+            'name': 'ExternalGroup',
+            'type': 'group',
+            'desc': '',
+            'caption': '',
+            'policies': [{
+              'name': 'ExternalPolicy',
+              'type': 'external',
+              'supported_on': ['chrome.mac:8-'],
+              'desc': '',
+              'caption': '',
+            }],
+          },
+        ],
+        'placeholders': [],
+        'messages': {},
+      }'''
+    output = self.GetOutput(
+        policy_json,
+        {'_chromium' : '1', 'mac_bundle_id': 'com.example.Test'},
+        'plist')
+    expected_output = self._GetExpectedOutputs(
+        'Chromium', 'com.example.Test', '''<array>
+      <dict>
+        <key>pfm_name</key>
+        <string>ExternalPolicy</string>
+        <key>pfm_description</key>
+        <string/>
+        <key>pfm_title</key>
+        <string/>
+        <key>pfm_targets</key>
+        <array>
+          <string>user-managed</string>
+        </array>
+        <key>pfm_type</key>
+        <string>dictionary</string>
+      </dict>
+    </array>''')
+    self.assertEquals(output.strip(), expected_output.strip())
+
   def testNonSupportedPolicy(self):
     # Tests a policy that is not supported on Mac, so it shouldn't
     # be included in the plist file.