drive: Stop setting dummy resource ID for "drive" and "other"

chrome/browser/chromeos/drive/file_system_util.cc

 // 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.
 
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 148 matching lines @@
 }
 
 DriveServiceInterface* GetDriveServiceByProfile(Profile* profile) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   DriveIntegrationService* integration_service =
       GetIntegrationServiceByProfile(profile);
   return integration_service ? integration_service->drive_service() : NULL;
 }
 
-bool IsSpecialResourceId(const std::string& resource_id) {
-  return resource_id == kDriveGrandRootLocalId ||
-      resource_id == kDriveOtherDirLocalId;
-}
-
 ResourceEntry CreateMyDriveRootEntry(const std::string& root_resource_id) {
   ResourceEntry mydrive_root;
   mydrive_root.mutable_file_info()->set_is_directory(true);
   mydrive_root.set_resource_id(root_resource_id);
   mydrive_root.set_parent_local_id(util::kDriveGrandRootLocalId);
   mydrive_root.set_title(util::kDriveMyDriveRootDirName);
   return mydrive_root;
 }
 
 const std::string& GetDriveMountPointPathAsString() {
@@ skipping 222 matching lines @@
   const bool disable_sync_over_celluar =
       profile->GetPrefs()->GetBoolean(prefs::kDisableDriveOverCellular);
 
   if (is_connection_cellular && disable_sync_over_celluar)
     return DRIVE_CONNECTED_METERED;
   return DRIVE_CONNECTED;
 }
 
 }  // namespace util
 }  // namespace drive