NSS Cros multiprofile: trust roots added by a profile shouldn't apply to other profiles.

net/cert/test_root_certs_nss.cc

Index: net/cert/test_root_certs_nss.cc
diff --git a/net/cert/test_root_certs_nss.cc b/net/cert/test_root_certs_nss.cc
index 3a2f88a79684eabb9ce39fda39e052bacd96e2f8..3c271452fafd0af62562b41393a4a761e45769e5 100644
--- a/net/cert/test_root_certs_nss.cc
+++ b/net/cert/test_root_certs_nss.cc
@@ -114,6 +114,17 @@ bool TestRootCerts::IsEmpty() const {
   return trust_cache_.empty();
 }
 
+#if defined(USE_NSS)
+bool TestRootCerts::Contains(CERTCertificate* cert) const {
+  for (std::list<TrustEntry*>::const_iterator it = trust_cache_.begin();
+       it != trust_cache_.end(); ++it) {
+    if (X509Certificate::IsSameOSCert(cert, (*it)->certificate()))
+      return true;
+  }
+  return false;
+}
+#endif
+
 TestRootCerts::~TestRootCerts() {
   Clear();
 }