New policy protobuf protocol.

chrome/browser/policy/device_management_policy_provider.h

Index: chrome/browser/policy/device_management_policy_provider.h
diff --git a/chrome/browser/policy/device_management_policy_provider.h b/chrome/browser/policy/device_management_policy_provider.h
index 592df9b9c709795b35cb78596ef0ecd087d2a7d7..dd0962825b33dafc2d68dc381ef831ab4b643226 100644
--- a/chrome/browser/policy/device_management_policy_provider.h
+++ b/chrome/browser/policy/device_management_policy_provider.h
@@ -21,8 +21,8 @@ class TokenService;
 
 namespace policy {
 
+class CloudPolicyCache;
 class DeviceManagementBackend;
-class DeviceManagementPolicyCache;
 
 // Provides policy fetched from the device management server. With the exception
 // of the Provide method, which can be called on the FILE thread, all public
@@ -44,7 +44,9 @@ class DeviceManagementPolicyProvider
 
   // DevicePolicyResponseDelegate implementation:
   virtual void HandlePolicyResponse(
-      const em::DevicePolicyResponse& response);
+      const em::DevicePolicyResponse& response);  // deprecated.
+  virtual void HandleCloudPolicyResponse(
+      const em::CloudPolicyResponse& response);
   virtual void OnError(DeviceManagementBackend::ErrorCode code);
 
   // DeviceTokenFetcher::Observer implementation:
@@ -146,7 +148,8 @@ class DeviceManagementPolicyProvider
 
   scoped_ptr<DeviceManagementBackend> backend_;
   Profile* profile_;  // weak
-  scoped_ptr<DeviceManagementPolicyCache> cache_;
+  scoped_ptr<CloudPolicyCache> cache_;
+  bool fallback_to_old_protocol_;
   scoped_refptr<DeviceTokenFetcher> token_fetcher_;
   DeviceTokenFetcher::ObserverRegistrar registrar_;
   ObserverList<ConfigurationPolicyProvider::Observer, true> observer_list_;