Revert of Extract LoginPerformer to chromeos/auth

chromeos/login/auth/authenticator.h

Index: chromeos/login/auth/authenticator.h
diff --git a/chromeos/login/auth/authenticator.h b/chromeos/login/auth/authenticator.h
index 7ae29b042c2bb8f2693d622117e0ad272a892070..d3fd5840f5d0f10cc8ad0711425163fab54dd24e 100644
--- a/chromeos/login/auth/authenticator.h
+++ b/chromeos/login/auth/authenticator.h
@@ -13,9 +13,7 @@
 #include "chromeos/login/auth/auth_status_consumer.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 
-namespace content {
-class BrowserContext;
-}
+class Profile;
 
 namespace chromeos {
 
@@ -33,13 +31,13 @@
 
   // Given externally authenticated username and password (part of
   // |user_context|), this method attempts to complete authentication process.
-  virtual void CompleteLogin(content::BrowserContext* browser_context,
+  virtual void CompleteLogin(Profile* profile,
                              const UserContext& user_context) = 0;
 
   // Given a user credentials in |user_context|,
   // this method attempts to authenticate to login.
   // Must be called on the UI thread.
-  virtual void AuthenticateToLogin(content::BrowserContext* browser_context,
+  virtual void AuthenticateToLogin(Profile* profile,
                                    const UserContext& user_context) = 0;
 
   // Given a user credentials in |user_context|, this method attempts to
@@ -88,11 +86,9 @@
   // and create a new cryptohome.
   virtual void ResyncEncryptedData() = 0;
 
-  // BrowserContext (usually off the record) that was used to perform the last
+  // Profile (usually off the record ) that was used to perform the last
   // authentication process.
-  content::BrowserContext* authentication_context() {
-    return authentication_context_;
-  }
+  Profile* authentication_profile() { return authentication_profile_; }
 
   // Sets consumer explicitly.
   void SetConsumer(AuthStatusConsumer* consumer);
@@ -101,7 +97,7 @@
   virtual ~Authenticator();
 
   AuthStatusConsumer* consumer_;
-  content::BrowserContext* authentication_context_;
+  Profile* authentication_profile_;
 
  private:
   friend class base::RefCountedThreadSafe<Authenticator>;