First-Party Cookies: Wire it up as an experimental web platform feature

net/base/network_delegate.cc

Index: net/base/network_delegate.cc
diff --git a/net/base/network_delegate.cc b/net/base/network_delegate.cc
index b6858da65bdccb89fdee94907b5861bfada2e33b..725f0de4eeea200e857ae7b08168412c93ab9227 100644
--- a/net/base/network_delegate.cc
+++ b/net/base/network_delegate.cc
@@ -229,6 +229,10 @@ bool NetworkDelegate::CanEnablePrivacyMode(
   return OnCanEnablePrivacyMode(url, first_party_for_cookies);
 }
 
+bool NetworkDelegate::FirstPartyCookieExperimentEnabled() const {
+  return OnFirstPartyCookieExperimentEnabled();
+}
+
 bool NetworkDelegate::CancelURLRequestWithPolicyViolatingReferrerHeader(
     const URLRequest& request,
     const GURL& target_url,