Append a number to make app shortcut name unique.

chrome/browser/download/download_util.h

 // Copyright (c) 2009 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.
 //
 // Download utilities.
 
 #ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_UTIL_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_UTIL_H_
 
 #include <set>
@@ skipping 148 matching lines @@
 
 // Update the application icon to indicate overall download progress.
 // |download_count| is the number of downloads currently in progress. If
 // |progress_known| is false, then at least one download is of indeterminate
 // size and |progress| is invalid, otherwise |progress| indicates the overall
 // download progress (float value from 0..1).
 void UpdateAppIconDownloadProgress(int download_count,
                                    bool progress_known,
                                    float progress);
 
+// Appends the passed the number between parenthesis the path before the
+// extension.
+void AppendNumberToPath(FilePath* path, int number);
+
+// Attempts to find a number that can be appended to that path to make it
+// unique. If |path| does not exist, 0 is returned.  If it fails to find such
+// a number, -1 is returned.
+int GetUniquePathNumber(const FilePath& path);
+
 }  // namespace download_util
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_UTIL_H_