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..95a23e01993ca26e8e7f8d507e69c1c9200fc02e 100644
--- a/chrome/browser/chromeos/attestation/platform_verification_flow.h
+++ b/chrome/browser/chromeos/attestation/platform_verification_flow.h
@@ -31,6 +31,7 @@ namespace chromeos {
 
 class CryptohomeClient;
 class UserManager;
+class User;
 
 namespace system {
 class StatisticsProvider;
@@ -174,11 +175,13 @@ 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
+  // ChallengePlatformKey.  |user_id| identifies the user 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& service_id,
+  void OnCertificateReady(const std::string& user_id,
+                          const std::string& service_id,
                           const std::string& challenge,
                           const ChallengeCallback& callback,
                           bool operation_success,
@@ -205,6 +208,11 @@ class PlatformVerificationFlow {
   // set explicitly using set_testing_url(), then this value is always returned.
   const GURL& GetURL(content::WebContents* web_contents);
 
+  // Gets the user associated with the given |web_contents|.  NULL may be
+  // returned.  If |web_contents| is NULL (e.g. during testing), then the
+  // current active user will be returned.
+  User* GetUser(content::WebContents* web_contents);
+
   // Checks whether policy or profile settings associated with |web_contents|
   // have attestation for content protection explicitly disabled.
   bool IsAttestationEnabled(content::WebContents* web_contents);