Move the parsing of homepage_url" and "devtools_page" out of Extension.

chrome/browser/extensions/manifest_url_parser.h

+// 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_MANIFEST_URL_PARSER_H_
+#define CHROME_BROWSER_EXTENSIONS_MANIFEST_URL_PARSER_H_
+
+#include "base/basictypes.h"
+#include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
+
+class Profile;
+
+namespace extensions {
+
+class ManifestURLParser : public ProfileKeyedAPI {
+ public:
+  explicit ManifestURLParser(Profile* profile);
+  virtual ~ManifestURLParser();
+
+ private:
+  friend class ProfileKeyedAPIFactory<ManifestURLParser>;
+
+  // ProfileKeyedAPI implementation.
+  static const char* service_name() {
+    return "ManifestURLParser";
+  }
+  static const bool kServiceIsNULLWhileTesting = true;
+
+  DISALLOW_COPY_AND_ASSIGN(ManifestURLParser);
+};
+
+template <>
+ProfileKeyedAPIFactory<ManifestURLParser>*
+ProfileKeyedAPIFactory<ManifestURLParser>::GetInstance();
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_MANIFEST_URL_PARSER_H_