Create EXPECT_QUIC_BUG macro, and modify QUIC tests to use it.

net/quic/core/quic_spdy_stream_test.cc

 // Copyright 2013 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/quic/core/quic_spdy_stream.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/strings/string_number_conversions.h"
@@ skipping 49 matching lines @@
   const string& data() const { return data_; }
 
  private:
   bool should_process_data_;
   string data_;
 };
 
 class QuicSpdyStreamTest : public ::testing::TestWithParam<QuicVersion> {
  public:
   QuicSpdyStreamTest() {
-    FLAGS_quic_always_log_bugs_for_tests = true;
     headers_[":host"] = "www.google.com";
     headers_[":path"] = "/index.hml";
     headers_[":scheme"] = "https";
     headers_["cookie"] =
         "__utma=208381060.1228362404.1372200928.1372200928.1372200928.1; "
         "__utmc=160408618; "
         "GX=DQAAAOEAAACWJYdewdE9rIrW6qw3PtVi2-d729qaa-74KqOsM1NVQblK4VhX"
         "hoALMsy6HOdDad2Sz0flUByv7etmo3mLMidGrBoljqO9hSVA40SLqpG_iuKKSHX"
         "RW3Np4bq0F0SDGDNsW0DSmTS9ufMRrlpARJDS7qAI6M3bghqJp4eABKZiRqebHT"
         "pMU-RXvTI5D5oCF1vYxYofH_l1Kviuiy3oQ1kS1enqWgbhJ2t61_SNdv-1XJIS0"
@@ skipping 908 matching lines @@
       .Times(AnyNumber())
       .WillRepeatedly(Invoke(MockQuicSession::ConsumeAllData));
 
   // Write the initial headers, with a FIN.
   EXPECT_CALL(*session_, WriteHeadersMock(_, _, _, _, _));
   stream_->WriteHeaders(SpdyHeaderBlock(), /*fin=*/true, nullptr);
   EXPECT_TRUE(stream_->fin_sent());
 
   // Writing Trailers should fail, as the FIN has already been sent.
   // populated with the number of body bytes written.
-  EXPECT_DFATAL(stream_->WriteTrailers(SpdyHeaderBlock(), nullptr),
-                "Trailers cannot be sent after a FIN");
+  EXPECT_QUIC_BUG(stream_->WriteTrailers(SpdyHeaderBlock(), nullptr),
+                  "Trailers cannot be sent after a FIN");
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net