Public Sessions: fetch device robot api token during enterprise enrollment.

chrome/browser/signin/oauth2_token_service.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_H_
 #define CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 83 matching lines @@
   // Mark an OAuth2 access token as invalid. This should be done if the token
   // was received from this class, but was not accepted by the server (e.g.,
   // the server returned 401 Unauthorized). The token will be removed from the
   // cache for the given scopes.
   virtual void InvalidateToken(const ScopeSet& scopes,
                                const std::string& invalid_token);
 
   // Return the current number of entries in the cache.
   int cache_size_for_testing() const;
 
- protected:
   // Subclasses should return the refresh token maintained.
   // If no token is available, return an empty string.
   virtual std::string GetRefreshToken() = 0;
 
+ protected:
   // Subclasses can override if they want to report errors to the user.
   virtual void UpdateAuthError(const GoogleServiceAuthError& error);
 
   // Add a new entry to the cache.
   // Subclasses can override if there are implementation-specific reasons
   // that an access token should ever not be cached.
   virtual void RegisterCacheEntry(const std::string& refresh_token,
                                   const ScopeSet& scopes,
                                   const std::string& access_token,
                                   const base::Time& expiration_date);
@@ skipping 74 matching lines @@
   // token.
   typedef std::pair<std::string, ScopeSet> FetchParameters;
   // A map from fetch parameters to a fetcher that is fetching an OAuth2 access
   // token using these parameters.
   std::map<FetchParameters, Fetcher*> pending_fetchers_;
 
   DISALLOW_COPY_AND_ASSIGN(OAuth2TokenService);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_OAUTH2_TOKEN_SERVICE_H_