Move Feature and Manifest to top-level extensions.

extensions/common/features/feature.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_COMMON_EXTENSIONS_FEATURES_FEATURE_H_
-#define CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_H_
+#ifndef EXTENSIONS_COMMON_FEATURES_FEATURE_H_
+#define EXTENSIONS_COMMON_FEATURES_FEATURE_H_
 
 #include <set>
 #include <string>
 
 #include "base/values.h"
-#include "chrome/common/extensions/manifest.h"
+#include "extensions/common/manifest.h"
 
 class GURL;
 
 namespace extensions {
 
 class Extension;
 
 // Represents a single feature accessible to an extension developer, such as a
 // top-level manifest key, a permission, or a programmatic API. A feature can
 // express requirements for where it can be accessed, and supports testing
@@ skipping 122 matching lines @@
   virtual bool IsIdInWhitelist(const std::string& extension_id) const = 0;
 
  protected:
   std::string name_;
   std::set<std::string> dependencies_;
   bool no_parent_;
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_H_
+#endif  // EXTENSIONS_COMMON_FEATURES_FEATURE_H_