Add new Cronet exception class for QUIC errors

components/cronet/android/url_request_error.cc

 // Copyright 2016 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 "components/cronet/android/url_request_error.h"
 
 #include "net/base/net_errors.h"
 
 namespace cronet {
 
@@ skipping 10 matching lines @@
     case net::ERR_CONNECTION_CLOSED:
       return CONNECTION_CLOSED;
     case net::ERR_CONNECTION_TIMED_OUT:
       return CONNECTION_TIMED_OUT;
     case net::ERR_CONNECTION_REFUSED:
       return CONNECTION_REFUSED;
     case net::ERR_CONNECTION_RESET:
       return CONNECTION_RESET;
     case net::ERR_ADDRESS_UNREACHABLE:
       return ADDRESS_UNREACHABLE;
+    case net::ERR_QUIC_PROTOCOL_ERROR:
+      return QUIC_PROTOCOL_FAILED;
     default:
       return OTHER;
   }
 }
 
 }  // namespace cronet