Enable brand codes and master preferences on the Mac.

chrome/browser/mac/keystone_glue.h

Index: chrome/browser/mac/keystone_glue.h
diff --git a/chrome/browser/mac/keystone_glue.h b/chrome/browser/mac/keystone_glue.h
index 615b5e997c86586634c0d7dae73ecef22922ab86..8c6e23fa76ccb345c5e5d895e01e2e43488c3302 100644
--- a/chrome/browser/mac/keystone_glue.h
+++ b/chrome/browser/mac/keystone_glue.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_MAC_KEYSTONE_GLUE_H_
 #pragma once
 
+#include "base/file_path.h"
 #include "base/string16.h"
 
 #if defined(__OBJC__)
@@ -198,6 +199,12 @@ enum BrandFileType {
 // Functions that may be accessed from non-Objective-C C/C++ code.
 namespace keystone_glue {
 
+// Returns the path to the master preferences file.
+FilePath MasterPrefsPath();
+
+// Returns the brand code of the installation.
+std::string BrandCode();
+
 // True if Keystone is enabled.
 bool KeystoneEnabled();