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

extensions/common/features/feature.cc

 // Copyright 2013 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/feature.h"
 
 #include <map>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
+#include "extensions/common/extension.h"
 
 namespace extensions {
 
 // static
 Feature::Platform Feature::GetCurrentPlatform() {
 #if defined(OS_CHROMEOS)
   return CHROMEOS_PLATFORM;
 #elif defined(OS_LINUX)
   return LINUX_PLATFORM;
 #elif defined(OS_MACOSX)
   return MACOSX_PLATFORM;
 #elif defined(OS_WIN)
   return WIN_PLATFORM;
 #else
   return UNSPECIFIED_PLATFORM;
 #endif
 }
 
 // static
-Feature::Location Feature::ConvertLocation(Manifest::Location location) {
-  if (location == Manifest::COMPONENT)
-    return COMPONENT_LOCATION;
-  else
-    return UNSPECIFIED_LOCATION;
-}
-
-// static
 Feature::Availability Feature::CreateAvailability(AvailabilityResult result,
                                                   const std::string& message) {
   return Availability(result, message);
 }
 
+Feature::Availability Feature::IsAvailableToExtension(
+    const Extension* extension) {
+  return IsAvailableToManifest(extension->id(),
+                               extension->GetType(),
+                               extension->location(),
+                               extension->manifest_version());
+}
+
 Feature::Feature() : no_parent_(false) {}
 
 Feature::~Feature() {}
 
 }  // namespace extensions