Revert of Use new people.get api instead of oauth2/v1/userinfo.

google_apis/gaia/gaia_constants.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.
 //
 // Constants used by IssueAuthToken and ClientLogin
 
 #ifndef GOOGLE_APIS_GAIA_GAIA_CONSTANTS_H_
 #define GOOGLE_APIS_GAIA_GAIA_CONSTANTS_H_
 
 namespace GaiaConstants {
 
 // Gaia sources for accounting
 extern const char kChromeOSSource[];
 extern const char kChromeSource[];
 
 // Gaia services for requesting
 extern const char kGaiaService[];  // uber token
 extern const char kPicasaService[];
 extern const char kSyncService[];
 extern const char kRemotingService[];
-
-// OAuth2 scopes.
 extern const char kOAuth1LoginScope[];
 extern const char kOAuthWrapBridgeUserInfoScope[];
 extern const char kDeviceManagementServiceOAuth[];
 extern const char kAnyApiOAuth2Scope[];
 extern const char kChromeSyncOAuth2Scope[];
 extern const char kChromeSyncManagedOAuth2Scope[];
 extern const char kGoogleTalkOAuth2Scope[];
-extern const char kGoogleUserInfoEmail[];
-extern const char kGoogleUserInfoProfile[];
 
 // Used with uber auth tokens when needed.
 extern const char kGaiaSid[];
 extern const char kGaiaLsid[];
 extern const char kGaiaOAuthToken[];
 extern const char kGaiaOAuthSecret[];
 extern const char kGaiaOAuthDuration[];
 extern const char kGaiaOAuth2LoginRefreshToken[];
 
 // Used to construct a channel ID for push messaging.
 extern const char kObfuscatedGaiaId[];
 
 // Used by wallet sign in helper.
 extern const char kClientOAuthEmailKey[];
 
 }  // namespace GaiaConstants
 
 #endif  // GOOGLE_APIS_GAIA_GAIA_CONSTANTS_H_