Remove WAPI-related code, except the type definition of ResourceEntry.

chrome/browser/sync_file_system/drive_backend/sync_engine_initializer.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/drive_backend/sync_engine_initializer.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "chrome/browser/drive/drive_api_service.h"
@@ skipping 26 matching lines @@
       return true;
   }
   return false;
 }
 
 bool LessOnCreationTime(const google_apis::FileResource& left,
                         const google_apis::FileResource& right) {
   return left.created_date() < right.created_date();
 }
 
-typedef base::Callback<void(scoped_ptr<SyncTaskToken> token,
-                            google_apis::GDataErrorCode error,
-                            scoped_ptr<google_apis::ResourceList> resources)>
-    TokenAndResourceListCallback;
-
 // Functions above are for wrapping the access to legacy GData WAPI classes.
 ////////////////////////////////////////////////////////////////////////////////
 
 }  // namespace
 
 SyncEngineInitializer::SyncEngineInitializer(
     SyncEngineContext* sync_context,
     const base::FilePath& database_path,
     leveldb::Env* env_override)
     : sync_context_(sync_context),
@@ skipping 287 matching lines @@
     return;
   }
 
   util::Log(logging::LOG_VERBOSE, FROM_HERE,
             "[Initialize] Completed successfully.");
   SyncTaskManager::NotifyTaskDone(token.Pass(), SYNC_STATUS_OK);
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system