Remove some legacy versions of StartsWith and EndsWith.

remoting/host/it2me/it2me_host.cc

Index: remoting/host/it2me/it2me_host.cc
diff --git a/remoting/host/it2me/it2me_host.cc b/remoting/host/it2me/it2me_host.cc
index 49cca624e1ba4b0137b824cc388e6e079d375ba7..fe9e8c6176a0d4f00188e1bcca28ad17984ad8b4 100644
--- a/remoting/host/it2me/it2me_host.cc
+++ b/remoting/host/it2me/it2me_host.cc
@@ -197,7 +197,8 @@ void It2MeHost::FinishConnect() {
   // Check the host domain policy.
   if (!required_host_domain_.empty() &&
       !base::EndsWith(xmpp_server_config_.username,
-                      std::string("@") + required_host_domain_, false)) {
+                      std::string("@") + required_host_domain_,
+                      base::CompareCase::INSENSITIVE_ASCII)) {
     SetState(kInvalidDomainError, "");
     return;
   }