Deprecate most of gaia_auth extension

chrome/browser/extensions/signin/gaia_auth_extension_loader.h

 // Copyright 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_EXTENSIONS_SIGNIN_GAIA_AUTH_EXTENSION_LOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_SIGNIN_GAIA_AUTH_EXTENSION_LOADER_H_
 
-#include <map>
-#include <string>
-
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 
 namespace content {
 class BrowserContext;
 }
 
 namespace extensions {
 
@@ skipping 27 matching lines @@
 
   // BrowserContextKeyedAPI implementation.
   static const char* service_name() {
     return "GaiaAuthExtensionLoader";
   }
   static const bool kServiceRedirectedInIncognito = true;
 
   content::BrowserContext* browser_context_;
   int load_count_;
 
-  int last_data_id_;
-  std::map<int, std::string> data_;
-
   base::WeakPtrFactory<GaiaAuthExtensionLoader> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GaiaAuthExtensionLoader);
 };
 
 } // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_SIGNIN_GAIA_AUTH_EXTENSION_LOADER_H_