Expose when PKP is bypassed in SSLInfo.

net/spdy/spdy_session.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/spdy/spdy_session.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 640 matching lines @@
   }
 
   bool unused = false;
   if (!ssl_info.cert->VerifyNameMatch(new_hostname, &unused))
     return false;
 
   std::string pinning_failure_log;
   // DISABLE_PIN_REPORTS is set here because this check can fail in
   // normal operation without being indicative of a misconfiguration or
   // attack. Port is left at 0 as it is never used.
-  if (!transport_security_state->CheckPublicKeyPins(
+  if (ssl_info.is_issued_by_known_root &&
+      !transport_security_state->CheckPublicKeyPins(
           HostPortPair(new_hostname, 0), ssl_info.is_issued_by_known_root,
           ssl_info.public_key_hashes, ssl_info.unverified_cert.get(),
           ssl_info.cert.get(), TransportSecurityState::DISABLE_PIN_REPORTS,
           &pinning_failure_log)) {
     return false;
   }
 
   return true;
 }
 
@@ skipping 2717 matching lines @@
     if (!queue->empty()) {
       SpdyStreamId stream_id = queue->front();
       queue->pop_front();
       return stream_id;
     }
   }
   return 0;
 }
 
 }  // namespace net