Share JSON schema constants.

chrome/browser/policy/policy_loader_win.h

Index: chrome/browser/policy/policy_loader_win.h
diff --git a/chrome/browser/policy/policy_loader_win.h b/chrome/browser/policy/policy_loader_win.h
index 94c99655d20fef5f18ab2560ff3cb40af8eddb86..fd4b4c2d8050d64dc0b2e3feabbf9beb260e5248 100644
--- a/chrome/browser/policy/policy_loader_win.h
+++ b/chrome/browser/policy/policy_loader_win.h
@@ -65,15 +65,6 @@ namespace registry_constants {
   // Registry key within an extension's namespace that contains the policy
   // schema.
   extern const wchar_t kSchema[];
-  // Key in a JSON schema that indicates the expected type.
-  extern const char kType[];
-  // Key in a JSON schema that indicates the expected properties of an object.
-  extern const char kProperties[];
-  // Key in a JSON schema that indicates the default schema for object
-  // properties.
-  extern const char kAdditionalProperties[];
-  // Key in a JSON schema that indicates the expected type of list items.
-  extern const char kItems[];
 }  // namespace registry_constants
 
 }  // namespace policy