Implements strict secure cookies as the default behavior in //net

net/base/network_delegate_impl.cc

Index: net/base/network_delegate_impl.cc
diff --git a/net/base/network_delegate_impl.cc b/net/base/network_delegate_impl.cc
index be48c3ff0224e6b5bb3f278e377488401c906515..52d4efccc8258e89a136baef8a4aa9c22d60fe0f 100644
--- a/net/base/network_delegate_impl.cc
+++ b/net/base/network_delegate_impl.cc
@@ -107,10 +107,6 @@ bool NetworkDelegateImpl::OnAreExperimentalCookieFeaturesEnabled() const {
   return false;
 }
 
-bool NetworkDelegateImpl::OnAreStrictSecureCookiesEnabled() const {
-  return false;
-}
-
 bool NetworkDelegateImpl::OnCancelURLRequestWithPolicyViolatingReferrerHeader(
     const URLRequest& request,
     const GURL& target_url,