Support a "policy" extension location in extension features files. At the same

extensions/common/features/complex_feature.h

 // Copyright 2014 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 EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
 #define EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
 
 #include <string>
 
 #include "base/memory/scoped_vector.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/features/feature.h"
 #include "extensions/common/manifest.h"
 
 namespace extensions {
 
 // A ComplexFeature is composed of one or many Features. A ComplexFeature
 // is available if any Feature (i.e. permission rule) that composes it is
 // available, but not if only some combination of Features is available.
 class ComplexFeature : public Feature {
  public:
   typedef ScopedVector<Feature> FeatureList;
 
   explicit ComplexFeature(scoped_ptr<FeatureList> features);
   virtual ~ComplexFeature();
 
   // extensions::Feature:
   virtual Availability IsAvailableToManifest(const std::string& extension_id,
                                              Manifest::Type type,
-                                             Location location,
+                                             Manifest::Location location,
                                              int manifest_version,
                                              Platform platform) const OVERRIDE;
 
   virtual Availability IsAvailableToContext(const Extension* extension,
                                             Context context,
                                             const GURL& url,
                                             Platform platform) const OVERRIDE;
 
   virtual bool IsIdInWhitelist(const std::string& extension_id) const OVERRIDE;
   virtual bool IsBlockedInServiceWorker() const OVERRIDE;
@@ skipping 12 matching lines @@
 
  private:
   FeatureList features_;
 
   DISALLOW_COPY_AND_ASSIGN(ComplexFeature);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_