Add enterprise enrollment support for fake users.

chrome/browser/chromeos/policy/policy_oauth2_token_fetcher.h

 // Copyright (c) 2013 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_CHROMEOS_POLICY_POLICY_OAUTH2_TOKEN_FETCHER_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_POLICY_OAUTH2_TOKEN_FETCHER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 50 matching lines @@
     return failed_;
   }
 
   const std::string& oauth2_refresh_token() const {
     return oauth2_refresh_token_;
   }
   const std::string& oauth2_access_token() const {
     return oauth2_access_token_;
   }
 
+  // Causes fake tokens to be returned so no network calls are made.
+  static void EnableFakeForTesting();
+
  private:
   // GaiaAuthConsumer overrides.
   void OnClientOAuthSuccess(
       const GaiaAuthConsumer::ClientOAuthResult& oauth_tokens) override;
   void OnClientOAuthFailure(const GoogleServiceAuthError& error) override;
 
   // OAuth2AccessTokenConsumer overrides.
   void OnGetTokenSuccess(const std::string& access_token,
                          const base::Time& expiration_time) override;
   void OnGetTokenFailure(const GoogleServiceAuthError& error) override;
 
   // Starts fetching OAuth2 refresh token.
   void StartFetchingRefreshToken();
 
   // Starts fetching OAuth2 access token for the device management service.
   void StartFetchingAccessToken();
 
   // Decides how to proceed on GAIA |error|. If the error looks temporary,
   // retries |task| until max retry count is reached.
   // If retry count runs out, or error condition is unrecoverable, it calls
   // Delegate::OnOAuth2TokenFetchFailed().
   void RetryOnError(const GoogleServiceAuthError& error,
                     const base::Closure& task);
 
   // Passes |token| and |error| to the |callback_|.
   void ForwardPolicyToken(const std::string& token,
                           const GoogleServiceAuthError& error);
 
+  // If true, fake policy tokens will be sent instead of making network
+  // requests.
+  static bool enable_fake_for_testing_;
+
   // Auth code which is used to retreive a refresh token.
   std::string auth_code_;
 
   scoped_refptr<net::URLRequestContextGetter> auth_context_getter_;
   scoped_refptr<net::URLRequestContextGetter> system_context_getter_;
   scoped_ptr<GaiaAuthFetcher> refresh_token_fetcher_;
   scoped_ptr<OAuth2AccessTokenFetcher> access_token_fetcher_;
 
   // OAuth2 refresh token. Could come either from the outside or through
   // refresh token fetching flow within this class.
@@ skipping 10 matching lines @@
 
   // The callback to invoke when done.
   TokenCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyOAuth2TokenFetcher);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_POLICY_OAUTH2_TOKEN_FETCHER_H_