[Chrome ELF] New NT registry API.

base/test/test_reg_util_win.h

Index: base/test/test_reg_util_win.h
diff --git a/base/test/test_reg_util_win.h b/base/test/test_reg_util_win.h
index 587e28f3f847cb0cfe635574ab8ca5725272ea7f..33bcd216a673be0985d4ccf0f33934e84edb003d 100644
--- a/base/test/test_reg_util_win.h
+++ b/base/test/test_reg_util_win.h
@@ -38,7 +38,9 @@ class RegistryOverrideManager {
   // Override the given registry hive using a randomly generated temporary key.
   // Multiple overrides to the same hive are not supported and lead to undefined
   // behavior.
+  // Optional return of the registry override path.
   void OverrideRegistry(HKEY override);
+  void OverrideRegistry(HKEY override, base::string16* override_path);
 
  private:
   friend class RegistryOverrideManagerTest;