Clean up device policy definitions.

chrome/app/policy/policy_templates.json

Index: chrome/app/policy/policy_templates.json
diff --git a/chrome/app/policy/policy_templates.json b/chrome/app/policy/policy_templates.json
index bf5d1c04d9d1c6dcbecc8a631e1cf62efbe38687..ffeb660418e705baec3242003abf091f22756c60 100644
--- a/chrome/app/policy/policy_templates.json
+++ b/chrome/app/policy/policy_templates.json
@@ -117,7 +117,7 @@
 #   persistent IDs for all fields (but not for groups!) are needed. These are
 #   specified by the 'id' keys of each policy. NEVER CHANGE EXISTING IDs,
 #   because doing so would break the deployed wire format!
-#   For your editing convenience: highest ID currently used: 242
+#   For your editing convenience: highest ID currently used: 243
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -3735,6 +3735,24 @@
       The recognized connection type identifiers are "ethernet", "wifi", "wimax", "bluetooth" and "cellular".''',
     },
     {
+      'name': 'DeviceUpdateHttpDownloadsEnabled',
+      'type': 'main',
+      'schema': {
+        'type': 'boolean',
+      },
+      'supported_on': ['chrome_os:29-'],
+      'device_only': True,
+      'features': {
+        'dynamic_refresh': True,
+      },
+      'example_value': True,
+      'id': 243,
+      'caption': '''Allow autoupdate downloads via HTTP''',
+      'desc': '''Auto-update payloads on <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> can be downloaded via HTTP instead of HTTPS. This allowes transparent HTTP caching of HTTP downloads.
+
+      If this policy is set to true, <ph name="PRODUCT_OS_NAME">$2<ex>Google Chrome OS</ex></ph> will attempt to download auto-update payloads via HTTP. If the policy is set to false or not set, HTTPS will be used for downloading auto-update payloads.''',
+    },
+    {
       'name': 'DeviceLocalAccounts',
       'type': 'list',
       'schema': {