Revert of Reduce buggy usage of the registry controlled domain service.

extensions/common/csp_validator.cc

Index: extensions/common/csp_validator.cc
diff --git a/extensions/common/csp_validator.cc b/extensions/common/csp_validator.cc
index e6c789f6f8e59fce0d2afdc732efac15d82a37f6..22a1325396ded0dc6aedce2041102348efbf3387 100644
--- a/extensions/common/csp_validator.cc
+++ b/extensions/common/csp_validator.cc
@@ -118,9 +118,11 @@
     return true;
 
   // Wildcards on subdomains of a TLD are not allowed.
-  return net::registry_controlled_domains::HostHasRegistryControlledDomain(
-      host, net::registry_controlled_domains::INCLUDE_UNKNOWN_REGISTRIES,
+  size_t registry_length = net::registry_controlled_domains::GetRegistryLength(
+      host,
+      net::registry_controlled_domains::INCLUDE_UNKNOWN_REGISTRIES,
       net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
+  return registry_length != 0;
 }
 
 // Checks whether the source is a syntactically valid hash.