cros: Remove get user info code from OAuth2LoginManager

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 cf06ef024f960d7a9c86730f2fc16e8ec1186ae0..f6b50c3e4f1d3628c58278800d64c901f8f7ed55 100644
--- a/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
+++ b/chrome/browser/chromeos/login/signin/oauth2_login_manager.h
@@ -14,7 +14,6 @@
 #include "chrome/browser/chromeos/login/signin/oauth2_login_verifier.h"
 #include "chrome/browser/chromeos/login/signin/oauth2_token_fetcher.h"
 #include "components/keyed_service/core/keyed_service.h"
-#include "google_apis/gaia/gaia_oauth_client.h"
 #include "google_apis/gaia/oauth2_token_service.h"
 #include "net/url_request/url_request_context_getter.h"
 
@@ -27,7 +26,6 @@ namespace chromeos {
 // This class is responsible for restoring authenticated web sessions out of
 // OAuth2 refresh tokens or pre-authenticated cookie jar.
 class OAuth2LoginManager : public KeyedService,
-                           public gaia::GaiaOAuthClient::Delegate,
                            public OAuth2LoginVerifier::Delegate,
                            public OAuth2TokenFetcher::Delegate,
                            public OAuth2TokenService::Observer {
@@ -146,14 +144,6 @@ class OAuth2LoginManager : public KeyedService,
   // KeyedService implementation.
   void Shutdown() override;
 
-  // gaia::GaiaOAuthClient::Delegate overrides.
-  void OnRefreshTokenResponse(const std::string& access_token,
-                              int expires_in_seconds) override;
-  void OnGetUserInfoResponse(
-      std::unique_ptr<base::DictionaryValue> user_info) override;
-  void OnOAuthError() override;
-  void OnNetworkError(int response_code) override;
-
   // OAuth2LoginVerifier::Delegate overrides.
   void OnSessionMergeSuccess() override;
   void OnSessionMergeFailure(bool connection_error) override;
@@ -177,7 +167,7 @@ class OAuth2LoginManager : public KeyedService,
   ProfileOAuth2TokenService* GetTokenService();
 
   // Retrieves the primary account for |user_profile_|.
-  const std::string& GetPrimaryAccountId();
+  std::string GetPrimaryAccountId();
 
   // 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
@@ -185,9 +175,6 @@ class OAuth2LoginManager : public KeyedService,
   // retrieve the associated account info.
   void StoreOAuth2Token();
 
-  // Get the account info corresponding to the specified refresh token.
-  void GetAccountInfoOfRefreshToken(const std::string& refresh_token);
-
   // Update the token service and inform listeners of a new refresh token.
   void UpdateCredentials(const std::string& account_id);
 
@@ -240,7 +227,6 @@ class OAuth2LoginManager : public KeyedService,
 
   std::unique_ptr<OAuth2TokenFetcher> oauth2_token_fetcher_;
   std::unique_ptr<OAuth2LoginVerifier> login_verifier_;
-  std::unique_ptr<gaia::GaiaOAuthClient> account_info_fetcher_;
 
   // OAuth2 refresh token.
   std::string refresh_token_;