Context Menus now uses the JSON Schema Compiler.

chrome/browser/extensions/menu_manager.h

Index: chrome/browser/extensions/menu_manager.h
diff --git a/chrome/browser/extensions/menu_manager.h b/chrome/browser/extensions/menu_manager.h
index 54445a01fb09ce1fc4cf5875bbed86c1f67c53ee..4bf0275ff9c99d86b11d37756d688c0e9ef1e518 100644
--- a/chrome/browser/extensions/menu_manager.h
+++ b/chrome/browser/extensions/menu_manager.h
@@ -185,6 +185,9 @@ class MenuItem {
                            const char* document_url_patterns_key,
                            const char* target_url_patterns_key,
                            std::string* error);
+  bool PopulateURLPatterns(std::vector<std::string>* document_url_patterns,
+                           std::vector<std::string>* target_url_patterns,
+                           std::string* error);
 
  protected:
   friend class MenuManager;