Added support for the content protection profile to AttestationFlow.

chromeos/cryptohome/async_method_caller.h

Index: chromeos/cryptohome/async_method_caller.h
diff --git a/chromeos/cryptohome/async_method_caller.h b/chromeos/cryptohome/async_method_caller.h
index 04f9fb6f2bf08545f1cd1e2d6cef6b8ec1382815..53bc57e1927706b775192fa30cfd26c266222edf 100644
--- a/chromeos/cryptohome/async_method_caller.h
+++ b/chromeos/cryptohome/async_method_caller.h
@@ -105,11 +105,15 @@ class CHROMEOS_EXPORT AsyncMethodCaller {
                                          const Callback& callback) = 0;
 
   // Asks cryptohomed to asynchronously create an attestation certificate
-  // request according to |options|, which is a combination of
-  // attestation::AttestationCertificateOptions.  On success the data sent to
-  // |callback| is a request to be sent to the Privacy CA.
+  // request according to |certificate_profile|.  Some profiles require that the
+  // |user_email| of the currently active user and an identifier of the
+  // |request_origin| be provided.  On success the data sent to |callback| is a
+  // request to be sent to the Privacy CA.  The |request_origin| may be sent to
+  // the Privacy CA but the |user_email| will never be sent.
   virtual void AsyncTpmAttestationCreateCertRequest(
-      int options,
+      int certificate_profile,
+      const std::string& user_email,
+      const std::string& request_origin,
       const DataCallback& callback) = 0;
 
   // Asks cryptohomed to asynchronously finish an attestation certificate