Helper functions in NetworkChangeNotifier related to WWAN use

chrome/browser/chromeos/drive/drive_file_system_util.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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_FILE_SYSTEM_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_FILE_SYSTEM_UTIL_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 115 matching lines @@
 // runs |callback|.
 //
 // Must be called from UI/IO thread.
 void EnsureDirectoryExists(Profile* profile,
                            const FilePath& directory,
                            const FileOperationCallback& callback);
 
 // Converts GData error code into file platform error code.
 DriveFileError GDataToDriveFileError(google_apis::GDataErrorCode status);
 
-// Returns true if the current network connection is over cellular.
-bool IsConnectionTypeCellular();
-
 }  // namespace util
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_FILE_SYSTEM_UTIL_H_