Implement cloud policy invalidations using the invalidation service framework.

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 3a32920b3d745fb50432cc15a11a45b8f88a95d8..cd70fd2a8666ea1634003f3adc8dcabe85d675ab 100644
--- a/chrome/app/policy/policy_templates.json
+++ b/chrome/app/policy/policy_templates.json
@@ -112,7 +112,7 @@
 #   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: 226
+#   For your editing convenience: highest ID currently used: 228
 #
 # Placeholders:
 #   The following placeholder strings are automatically substituted:
@@ -2436,6 +2436,24 @@
       Leaving this policy not set will make <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> use the default value of 3 hours.''',
     },
     {
+      'name': 'MaxInvalidationFetchDelay',
+      'type': 'int',
+      'schema': { 'type': 'integer' },
+      'supported_on': ['chrome.*:30-', 'chrome_os:0.30-'],
+      'features': {
+        'dynamic_refresh': True,
+        'per_profile': True,
+      },
+      'example_value': 10000,
+      'id': 228,
+      'caption': '''Maximum fetch delay after a policy invalidation''',
+      'desc': '''Specifies the maximum delay in milliseconds between receiving a policy invalidation and fetching the new policy from the device management service.
+
+      Setting this policy overrides the default value of 5000 milliseconds. Valid values for this policy are in the range from 1000 (1 second) to 300000 (5 minutes). Any values not in this range will be clamped to the respective boundary.
+
+      Leaving this policy not set will make <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> use the default value of 5000 milliseconds.''',
+    },
+    {
       'name': 'ChromeFrameRendererSettings',
       'type': 'group',
       'caption': '''Default HTML renderer for <ph name="PRODUCT_FRAME_NAME">$3<ex>Google Chrome Frame</ex></ph>''',