Implement cloud policy invalidations using the invalidation service framework.

chrome/browser/policy/cloud/cloud_policy_manager.h

Index: chrome/browser/policy/cloud/cloud_policy_manager.h
diff --git a/chrome/browser/policy/cloud/cloud_policy_manager.h b/chrome/browser/policy/cloud/cloud_policy_manager.h
index 34be652e8e2a0fd8524a0a9f259c018900ee4ed0..3839aa23b2bf804038e62b18894747e937bd2efd 100644
--- a/chrome/browser/policy/cloud/cloud_policy_manager.h
+++ b/chrome/browser/policy/cloud/cloud_policy_manager.h
@@ -15,8 +15,13 @@
 #include "chrome/browser/policy/cloud/cloud_policy_store.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
+namespace invalidation {
+class InvalidationService;
+}
+
 namespace policy {
 
+class CloudPolicyInvalidator;
 class PolicyBundle;
 
 // CloudPolicyManager is the main switching central between cloud policy and the
@@ -50,6 +55,18 @@ class CloudPolicyManager : public ConfigurationPolicyProvider,
   // ConfigurationPolicyStore::UpdatePolicy().
   void CheckAndPublishPolicy();
 
+  // Enable policy invalidations to be received by creating the invalidator
+  // object. The refresh scheduler must be started before calling this method.
+  // |service| is the invalidation service to use and must remain valid until
+  // Shutdown or UnregisterInvalidator is called.
+  void CreateInvalidator(invalidation::InvalidationService* service);
+
+  // Causes the invalidator to unregister with the invalidation service and then
+  // destroys the invalidator. This method should only be called when policy is
+  // no longer applied; it should not be called for normal browser shutdown.
+  // This method has no effect if CreateInvalidator has not been called.
+  void UnregisterInvalidator();
+
   // Called by CheckAndPublishPolicy() to create a bundle with the current
   // policies.
   virtual scoped_ptr<PolicyBundle> CreatePolicyBundle();
@@ -72,6 +89,9 @@ class CloudPolicyManager : public ConfigurationPolicyProvider,
   // policy update notifications are deferred until after it completes.
   bool waiting_for_policy_refresh_;
 
+  // The policy invalidator, which handles invalidations to the policy.
+  scoped_ptr<CloudPolicyInvalidator> invalidator_;
+
   DISALLOW_COPY_AND_ASSIGN(CloudPolicyManager);
 };