gdata: Rename functions in GDataAuthService per OAuth2 terminology

chrome/browser/chromeos/gdata/operations_base.h

 // Copyright (c) 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_CHROMEOS_GDATA_OPERATIONS_BASE_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_OPERATIONS_BASE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 25 matching lines @@
   // Overridden from OAuth2AccessTokenConsumer:
   virtual void OnGetTokenSuccess(const std::string& access_token,
                                  const base::Time& expiration_time) OVERRIDE;
   virtual void OnGetTokenFailure(const GoogleServiceAuthError& error) OVERRIDE;
 
   // Overridden from GDataOpertionRegistry::Operation
   virtual void DoCancel() OVERRIDE;
 
  private:
   Profile* profile_;
-  std::string token_;
+  std::string refresh_token_;
   AuthStatusCallback callback_;
   scoped_ptr<OAuth2AccessTokenFetcher> oauth2_access_token_fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(AuthOperation);
 };
 
 //=========================== GDataOperationInterface ==========================
 
 // An interface for implementing an operation used by DocumentsService.
 class GDataOperationInterface {
@@ skipping 137 matching lines @@
   virtual void RunCallbackOnPrematureFailure(GDataErrorCode code) OVERRIDE;
 
  private:
   GetDataCallback callback_;
   DISALLOW_COPY_AND_ASSIGN(GetDataOperation);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_OPERATIONS_BASE_H_