Support for checking multiple keyfiles when removing an installation package....

chrome/installer/util/work_item.h

Index: chrome/installer/util/work_item.h
===================================================================
--- chrome/installer/util/work_item.h	(revision 67902)
+++ chrome/installer/util/work_item.h	(working copy)
@@ -11,7 +11,9 @@
 #pragma once
 
 #include <windows.h>
+
 #include <string>
+#include <vector>
 
 class CopyTreeWorkItem;
 class CreateDirWorkItem;
@@ -71,7 +73,7 @@
   // hierarchy at the given root path. A key file can be optionally specified
   // by key_path.
   static DeleteTreeWorkItem* CreateDeleteTreeWorkItem(
-      const std::wstring& root_path, const std::wstring& key_path);
+      const FilePath& root_path, const std::vector<FilePath>& key_paths);
 
   // Create a MoveTreeWorkItem that recursively moves a file system hierarchy
   // from source path to destination path.