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

extensions/common/features/feature.cc

Index: extensions/common/features/feature.cc
diff --git a/extensions/common/features/feature.cc b/extensions/common/features/feature.cc
index 60f7f88929c345e6b07bdb3c49b190bb767e7fba..e06a44a8727b122aca2f15f01f10c1b84df56759 100644
--- a/extensions/common/features/feature.cc
+++ b/extensions/common/features/feature.cc
@@ -10,6 +10,7 @@
 #include "base/lazy_instance.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
+#include "extensions/common/extension.h"
 
 namespace extensions {
 
@@ -29,19 +30,19 @@ Feature::Platform Feature::GetCurrentPlatform() {
 }
 
 // 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() {}