Enable 'First-Party-Only' cookies by default.

net/base/layered_network_delegate.cc

Index: net/base/layered_network_delegate.cc
diff --git a/net/base/layered_network_delegate.cc b/net/base/layered_network_delegate.cc
index 9fd497397617bc562812a0c1c0e591ffa13986f2..95e423623453af1af7d71a3fdf31b6cc6796673b 100644
--- a/net/base/layered_network_delegate.cc
+++ b/net/base/layered_network_delegate.cc
@@ -252,15 +252,6 @@ void LayeredNetworkDelegate::OnCanEnablePrivacyModeInternal(
     const GURL& first_party_for_cookies) const {
 }
 
-bool LayeredNetworkDelegate::OnFirstPartyOnlyCookieExperimentEnabled() const {
-  OnFirstPartyOnlyCookieExperimentEnabledInternal();
-  return nested_network_delegate_->FirstPartyOnlyCookieExperimentEnabled();
-}
-
-void LayeredNetworkDelegate::OnFirstPartyOnlyCookieExperimentEnabledInternal()
-    const {
-}
-
 bool LayeredNetworkDelegate::
     OnCancelURLRequestWithPolicyViolatingReferrerHeader(
         const URLRequest& request,