Move common file path related methods between chrome & content to file_util. I reduced the 4 meth...

content/browser/download/download_file.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 53 matching lines @@
   virtual std::string GetHashState() = 0;
 
   // Cancels the download request associated with this file.
   virtual void CancelDownloadRequest() = 0;
 
   virtual int Id() const = 0;
   virtual DownloadManager* GetDownloadManager() = 0;
   virtual const DownloadId& GlobalId() const = 0;
 
   virtual std::string DebugString() const = 0;
-
-  // Appends the passed-in |number| between parenthesis to the |path| before
-  // the file extension.
-  static void AppendNumberToPath(FilePath* path, int number);
-
-  // Appends the passed-in |suffix| to the |path|.
-  static FilePath AppendSuffixToPath(const FilePath& path,
-                                     const FilePath::StringType& suffix);
-
-  // Attempts to find a number that can be appended to the |path| to make it
-  // unique. If |path| does not exist, 0 is returned.  If it fails to find such
-  // a number, -1 is returned.
-  static int GetUniquePathNumber(const FilePath& path);
-
-  // Same as GetUniquePathNumber, except that it also checks the existence
-  // of it with the given suffix.
-  // If |path| does not exist, 0 is returned.  If it fails to find such
-  // a number, -1 is returned.
-  static int GetUniquePathNumberWithSuffix(
-      const FilePath& path,
-      const FilePath::StringType& suffix);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_FILE_H_