New policy protobuf protocol.

chrome/browser/policy/device_management_backend.h

Index: chrome/browser/policy/device_management_backend.h
diff --git a/chrome/browser/policy/device_management_backend.h b/chrome/browser/policy/device_management_backend.h
index 114c7b708f5d006b82f2fde8e34bb7981a828d01..f2fec0d208154a14aba6f0a9239af5e998b8b37d 100644
--- a/chrome/browser/policy/device_management_backend.h
+++ b/chrome/browser/policy/device_management_backend.h
@@ -75,8 +75,12 @@ class DeviceManagementBackend : base::NonThreadSafe {
    public:
     virtual ~DevicePolicyResponseDelegate() {}
 
+    // Deprecated in favor of HandleCloudPolicyResponse. To be removed once
+    // DMServer supports the new protocol.
     virtual void HandlePolicyResponse(
         const em::DevicePolicyResponse& response) = 0;
+    virtual void HandleCloudPolicyResponse(
+        const em::CloudPolicyResponse& response) = 0;
     virtual void OnError(ErrorCode code) = 0;
 
    protected:
@@ -106,6 +110,12 @@ class DeviceManagementBackend : base::NonThreadSafe {
       const em::DevicePolicyRequest& request,
       DevicePolicyResponseDelegate* delegate) = 0;
 
+  virtual void ProcessCloudPolicyRequest(
+      const std::string& device_management_token,
+      const std::string& device_id,
+      const em::CloudPolicyRequest& request,
+      DevicePolicyResponseDelegate* delegate) = 0;
+
  protected:
   DeviceManagementBackend() {}