Added multi-profile support for attestation on chromeos.

chrome/browser/chromeos/attestation/platform_verification_flow.h

Index: chrome/browser/chromeos/attestation/platform_verification_flow.h
diff --git a/chrome/browser/chromeos/attestation/platform_verification_flow.h b/chrome/browser/chromeos/attestation/platform_verification_flow.h
index 8ba3b874f74cedc0dc1022ffb5f6f32bba1a72be..8e30e550c1844d82cdb606faca67a75dca0f7b7f 100644
--- a/chrome/browser/chromeos/attestation/platform_verification_flow.h
+++ b/chrome/browser/chromeos/attestation/platform_verification_flow.h
@@ -174,11 +174,13 @@ class PlatformVerificationFlow {
 
   // A callback called when an attestation certificate request operation
   // completes.  |service_id|, |challenge|, and |callback| are the same as in
-  // ChallengePlatformKey.  |operation_success| is true iff the certificate
-  // request operation succeeded.  |certificate| holds the certificate for the
-  // platform key on success.  If the certificate request was successful, this
-  // method invokes a request to sign the challenge.
-  void OnCertificateReady(const std::string& service_id,
+  // ChallengePlatformKey.  |user_email| is the canonical email address for
+  // which the certificate was requested.  |operation_success| is true iff the
+  // certificate request operation succeeded.  |certificate| holds the
+  // certificate for the platform key on success.  If the certificate request
+  // was successful, this method invokes a request to sign the challenge.
+  void OnCertificateReady(const std::string& user_email,

[bartfab (slow), 2013/10/13 16:31:35]

We have many different names for the same thing: user_email == user_name ==
user_id == account_id. To tame this a bit, we decided to only use the term
user_id in all new code.

[Darren Krahn, 2013/10/15 16:49:06]

Done.

+                          const std::string& service_id,
                           const std::string& challenge,
                           const ChallengeCallback& callback,
                           bool operation_success,