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

extensions/common/features/complex_feature.cc

 // 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.
 
 #include "extensions/common/features/complex_feature.h"
 
 namespace extensions {
 
 ComplexFeature::ComplexFeature(scoped_ptr<FeatureList> features) {
   DCHECK_GT(features->size(), 0UL);
@@ skipping 19 matching lines @@
         << "Complex feature must have consistent values of "
            "blocked_in_service_worker across all sub features.";
   }
 #endif
 }
 
 ComplexFeature::~ComplexFeature() {
 }
 
 Feature::Availability ComplexFeature::IsAvailableToManifest(
-    const std::string& extension_id, Manifest::Type type, Location location,
-    int manifest_version, Platform platform) const {
+    const std::string& extension_id,
+    Manifest::Type type,
+    Manifest::Location location,
+    int manifest_version,
+    Platform platform) const {
   Feature::Availability first_availability =
       features_[0]->IsAvailableToManifest(
           extension_id, type, location, manifest_version, platform);
   if (first_availability.is_available())
     return first_availability;
 
   for (FeatureList::const_iterator it = features_.begin() + 1;
        it != features_.end(); ++it) {
     Availability availability = (*it)->IsAvailableToManifest(
         extension_id, type, location, manifest_version, platform);
@@ skipping 62 matching lines @@
                                                    Context context) const {
   if (result == IS_AVAILABLE)
     return std::string();
 
   // TODO(justinlin): Form some kind of combined availabilities/messages from
   // SimpleFeatures.
   return features_[0]->GetAvailabilityMessage(result, type, url, context);
 }
 
 }  // namespace extensions