Fix QUIC crash when ProofSource::GetProof fails

net/net.gypi

 # Copyright 2014 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.
 
 # This file is shared between the regular GYP build, the NaCl GYP build, and
 # the GN build. For GN support, it must have no conditionals or anything like
 # that beyond the simple one-level-deep dictionary of values.
 {
   'variables': {
     # Subset of net source files that are compiled for NaCl (net_nacl target).
@@ skipping 1968 matching lines @@
       'quic/platform/api/quic_text_utils_test.cc',
       'quic/platform/impl/quic_chromium_clock_test.cc',
       'quic/quartc/quartc_alarm_factory_test.cc',
       'quic/quartc/quartc_session_test.cc',
       'quic/quartc/quartc_stream_test.cc',
       'quic/test_tools/crypto_test_utils.cc',
       'quic/test_tools/crypto_test_utils.h',
       'quic/test_tools/crypto_test_utils_test.cc',
       'quic/test_tools/delayed_verify_strike_register_client.cc',
       'quic/test_tools/delayed_verify_strike_register_client.h',
+      'quic/test_tools/failing_proof_source.cc',
+      'quic/test_tools/failing_proof_source.h',
       'quic/test_tools/fake_proof_source.cc',
       'quic/test_tools/fake_proof_source.h',
       'quic/test_tools/mock_clock.cc',
       'quic/test_tools/mock_clock.h',
       'quic/test_tools/mock_crypto_client_stream.cc',
       'quic/test_tools/mock_crypto_client_stream.h',
       'quic/test_tools/mock_quic_client_promised_info.cc',
       'quic/test_tools/mock_quic_client_promised_info.h',
       'quic/test_tools/mock_quic_dispatcher.cc',
       'quic/test_tools/mock_quic_dispatcher.h',
@@ skipping 1574 matching lines @@
       'tools/domain_security_preload_generator/preloaded_state_generator.h',
       'tools/domain_security_preload_generator/spki_hash.cc',
       'tools/domain_security_preload_generator/spki_hash.h',
       'tools/domain_security_preload_generator/trie/trie_bit_buffer.cc',
       'tools/domain_security_preload_generator/trie/trie_bit_buffer.h',
       'tools/domain_security_preload_generator/trie/trie_writer.cc',
       'tools/domain_security_preload_generator/trie/trie_writer.h',
     ],
   }
 }