Fetch OAuth2 tokens prior to profile creation.

chrome/browser/chromeos/login/signin/oauth2_login_manager.h

Index: chrome/browser/chromeos/login/signin/oauth2_login_manager.h
diff --git a/chrome/browser/chromeos/login/signin/oauth2_login_manager.h b/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
index 4197cc86db90e00bf8d80157c67fbfaea0405ca9..fe2056f62185e0cbc0a2ed46a0b98d8456ef01dd 100644
--- a/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
+++ b/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
@@ -58,8 +58,8 @@ class OAuth2LoginManager : public KeyedService,
     RESTORE_FROM_SAVED_OAUTH2_REFRESH_TOKEN,
     // Restore session from OAuth2 refresh token passed via command line.
     RESTORE_FROM_PASSED_OAUTH2_REFRESH_TOKEN,
-    // Restore session from authentication code passed via command line.
-    RESTORE_FROM_AUTH_CODE,
+    // Restore session from OAuth2 access token.
+    RESTORE_FROM_PASSED_OAUTH2_ACCESS_TOKEN,
   };
 
   class Observer {
@@ -87,19 +87,17 @@ class OAuth2LoginManager : public KeyedService,
   // Restores and verifies OAuth tokens either following specified
   // |restore_strategy|. For |restore_strategy| with values
   // RESTORE_FROM_PASSED_OAUTH2_REFRESH_TOKEN or
-  // RESTORE_FROM_AUTH_CODE, respectively
-  // parameters |oauth2_refresh_token| or |auth_code| need to have non-empty
-  // value.
-  void RestoreSession(
-      net::URLRequestContextGetter* auth_request_context,
-      SessionRestoreStrategy restore_strategy,
-      const std::string& oauth2_refresh_token,
-      const std::string& auth_code);
+  // RESTORE_FROM_AUTH_CODE, respectively, parameters |oauth2_refresh_token| or
+  // |oauth2_access_token| need to have a non-empty value.
+  void RestoreSession(net::URLRequestContextGetter* auth_request_context,
+                      SessionRestoreStrategy restore_strategy,
+                      const std::string& oauth2_refresh_token,
+                      const std::string& oauth2_access_token);
 
   // Continues session restore after transient network errors.
   void ContinueSessionRestore();
 
-  // Start resporting session from saved OAuth2 refresh token.
+  // Start restoring session from saved OAuth2 refresh token.
   void RestoreSessionFromSavedTokens();
 
   // Stops all background authentication requests.
@@ -180,6 +178,9 @@ class OAuth2LoginManager : public KeyedService,
   // Retrieves the primary account for |user_profile_|.
   const std::string& GetPrimaryAccountId();
 
+  // Get External Token Handle.
+  void GetTokenHandle();
+
   // Records |refresh_token_| to token service. The associated account id is
   // assumed to be the primary account id of the user profile. If the primary
   // account id is not present, GetAccountInfoOfRefreshToken will be called to
@@ -248,9 +249,6 @@ class OAuth2LoginManager : public KeyedService,
   // OAuthLogin scoped access token.
   std::string oauthlogin_access_token_;
 
-  // Authorization code for fetching OAuth2 tokens.
-  std::string auth_code_;
-
   // Session restore start time.
   base::Time session_restore_start_;