Move quic_bug_tracker to quic/platform. No functional change expected.

net/quic/core/quic_spdy_stream.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 <utility>
 
 #include "base/logging.h"
 #include "net/base/parse_number.h"
-#include "net/quic/core/quic_bug_tracker.h"
 #include "net/quic/core/quic_spdy_session.h"
 #include "net/quic/core/quic_utils.h"
 #include "net/quic/core/quic_write_blocked_list.h"
 #include "net/quic/core/spdy_utils.h"
+#include "net/quic/platform/api/quic_bug_tracker.h"
 #include "net/quic/platform/api/quic_text_utils.h"
 
 using base::IntToString;
 using base::StringPiece;
 using std::string;
 
 namespace net {
 
 #define ENDPOINT                                                               \
   (session()->perspective() == Perspective::IS_SERVER ? "Server: " : "Client:" \
@@ skipping 309 matching lines @@
     QuicReferenceCountedPointer<QuicAckListenerInterface> ack_listener) {
   if (spdy_session_->headers_stream() != nullptr &&
       spdy_session_->force_hol_blocking()) {
     return spdy_session_->WritevStreamData(id(), iov, offset, fin,
                                            std::move(ack_listener));
   }
   return QuicStream::WritevDataInner(iov, offset, fin, std::move(ack_listener));
 }
 
 }  // namespace net