Helper functions in NetworkChangeNotifier related to WWAN use

chrome/browser/chromeos/drive/drive_file_system_util.h

Index: chrome/browser/chromeos/drive/drive_file_system_util.h
diff --git a/chrome/browser/chromeos/drive/drive_file_system_util.h b/chrome/browser/chromeos/drive/drive_file_system_util.h
index b3494a9a5ebfea8b1f4dee01661edd7b270333ff..6913775bad83b7f44c40d629204c157faea3d70d 100644
--- a/chrome/browser/chromeos/drive/drive_file_system_util.h
+++ b/chrome/browser/chromeos/drive/drive_file_system_util.h
@@ -133,9 +133,6 @@ void EnsureDirectoryExists(Profile* profile,
 // 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