RulesRegistry for declarative APIs.

chrome/browser/extensions/api/declarative/rule_identifier.h

Index: chrome/browser/extensions/api/declarative/rule_identifier.h
diff --git a/chrome/browser/extensions/api/declarative/rule_identifier.h b/chrome/browser/extensions/api/declarative/rule_identifier.h
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index 0000000000000000000000000000000000000000..9534293518568acc27cf35c62df90db9c3d285c4
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+++ b/chrome/browser/extensions/api/declarative/rule_identifier.h
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+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULE_IDENTIFIER_H__
+#define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULE_IDENTIFIER_H__
+#pragma once
+
+#include <string>
+
+namespace extensions {
+
+// A globally unique rule identifier
+class RuleIdentifier {
+ public:
+  RuleIdentifier(const std::string& extension_id,
+                 const std::string& rule_id);
+  RuleIdentifier(const RuleIdentifier& other);
+  ~RuleIdentifier();
+
+  const std::string& extension_id() const { return extension_id_; }
+  const std::string& rule_id() const { return rule_id_; }
+
+  bool operator<(const RuleIdentifier& other) const;
+  RuleIdentifier& operator=(const RuleIdentifier& other);
+ private:
+  std::string extension_id_;
+  std::string rule_id_;
+};
+
+}  // extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_RULE_IDENTIFIER_H__