Pass user_affiliation request parameter on user cloud policy requests.

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 0ac03bdb19fb086b6f3a5d4a2b776c92bf5d56bb..af4aad06ec338a71ee13439edbf326a58d5bcb56 100644
--- a/chrome/browser/policy/device_management_backend.h
+++ b/chrome/browser/policy/device_management_backend.h
@@ -10,6 +10,7 @@
 
 #include "base/basictypes.h"
 #include "base/threading/non_thread_safe.h"
+#include "chrome/browser/policy/cloud_policy_data_store.h"
 #include "chrome/browser/policy/proto/device_management_backend.pb.h"
 
 namespace policy {
@@ -106,6 +107,7 @@ class DeviceManagementBackend : base::NonThreadSafe {
   virtual void ProcessPolicyRequest(
       const std::string& device_management_token,
       const std::string& device_id,
+      CloudPolicyDataStore::UserAffiliation user_affiliation,
       const em::DevicePolicyRequest& request,
       DevicePolicyResponseDelegate* delegate) = 0;