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

chrome/browser/download/download_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.
 //
 // Download utility implementation
 
 #include "chrome/browser/download/download_util.h"
 
 #if defined(OS_WIN)
 #include <shobjidl.h>
@@ skipping 575 matching lines @@
       taskbar->SetProgressValue(frame, static_cast<int>(progress * 100), 100);
   }
 #elif defined(TOOLKIT_GTK)
   unity::SetDownloadCount(download_count);
   unity::SetProgressFraction(progress);
 #endif
 }
 #endif
 
 int GetUniquePathNumberWithCrDownload(const FilePath& path) {
-  return DownloadFile::GetUniquePathNumberWithSuffix(
+  return file_util::GetUniquePathNumber(
       path, FILE_PATH_LITERAL(".crdownload"));
 }
 
 FilePath GetCrDownloadPath(const FilePath& suggested_path) {
-  return DownloadFile::AppendSuffixToPath(
+  return file_util::AppendSuffixToPath(
       suggested_path, FILE_PATH_LITERAL(".crdownload"));
 }
 
 bool IsSavableURL(const GURL& url) {
   for (int i = 0; chrome::GetSavableSchemes()[i] != NULL; ++i) {
     if (url.SchemeIs(chrome::GetSavableSchemes()[i])) {
       return true;
     }
   }
   return false;
@@ skipping 17 matching lines @@
                               kMaxShelfSize);
   }
 }
 
 void RecordDownloadCount(ChromeDownloadCountTypes type) {
   UMA_HISTOGRAM_ENUMERATION(
       "Download.CountsChrome", type, DOWNLOAD_COUNT_TYPES_LAST_ENTRY);
 }
 
 }  // namespace download_util