Add a whitelist for QUIC hosts.

net/http/transport_security_state.cc

Index: net/http/transport_security_state.cc
diff --git a/net/http/transport_security_state.cc b/net/http/transport_security_state.cc
index e77c8c5e2138a4688a03a9d76047d9235e88dbc4..3a38992067e8b4dcb919b4fbfcca70b5156bfb2f 100644
--- a/net/http/transport_security_state.cc
+++ b/net/http/transport_security_state.cc
@@ -1100,6 +1100,22 @@ bool TransportSecurityState::GetStaticDomainState(const std::string& host,
   return true;
 }
 
+bool TransportSecurityState::IsGooglePinnedHost(const std::string& host) const {
+  DCHECK(CalledOnValidThread());
+
+  if (!IsBuildTimely())
+    return false;
+
+  PreloadResult result;
+  if (!DecodeHSTSPreload(host, &result))
+    return false;
+
+  if (!result.has_pins)
+    return false;
+
+  return kPinsets[result.pinset_id].accepted_pins == kGoogleAcceptableCerts;
+}
+
 bool TransportSecurityState::GetStaticExpectCTState(
     const std::string& host,
     ExpectCTState* expect_ct_state) const {