Use FilePath::DirName instead of the deprecated file_util::GetDirectoryFromPath.

chrome/installer/util/shell_util.cc

Index: chrome/installer/util/shell_util.cc
diff --git a/chrome/installer/util/shell_util.cc b/chrome/installer/util/shell_util.cc
index 1c90453fc4f886210a61ff6496dc62a51fa1be03..8d4e6434d74ad9620375f6ad886a03e0e07d7d77 100644
--- a/chrome/installer/util/shell_util.cc
+++ b/chrome/installer/util/shell_util.cc
@@ -785,7 +785,7 @@ bool ShellUtil::UpdateChromeShortcut(BrowserDistribution* dist,
                                      const std::wstring& shortcut,
                                      const std::wstring& description,
                                      bool create_new) {
-  std::wstring chrome_path = file_util::GetDirectoryFromPath(chrome_exe);
+  std::wstring chrome_path = FilePath(chrome_exe).DirName().value();
 
   FilePath prefs_path(chrome_path);
   prefs_path = prefs_path.AppendASCII(installer::kDefaultMasterPrefs);