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

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 1091 matching lines @@
       'quic/core/quic_alarm.cc',
       'quic/core/quic_alarm.h',
       'quic/core/quic_arena_scoped_ptr.h',
       'quic/core/quic_bandwidth.cc',
       'quic/core/quic_bandwidth.h',
       'quic/core/quic_blocked_writer_interface.h',
       'quic/core/quic_buffer_allocator.cc',
       'quic/core/quic_buffer_allocator.h',
       'quic/core/quic_buffered_packet_store.cc',
       'quic/core/quic_buffered_packet_store.h',
-      'quic/core/quic_bug_tracker.h',
       'quic/core/quic_client_promised_info.cc',
       'quic/core/quic_client_promised_info.h',
       'quic/core/quic_client_push_promise_index.cc',
       'quic/core/quic_client_push_promise_index.h',
       'quic/core/quic_client_session_base.cc',
       'quic/core/quic_client_session_base.h',
       'quic/core/quic_config.cc',
       'quic/core/quic_config.h',
       'quic/core/quic_connection.cc',
       'quic/core/quic_connection.h',
@@ skipping 81 matching lines @@
       'quic/core/quic_utils.h',
       'quic/core/quic_version_manager.cc',
       'quic/core/quic_version_manager.h',
       'quic/core/quic_versions.cc',
       'quic/core/quic_versions.h',
       'quic/core/quic_write_blocked_list.cc',
       'quic/core/quic_write_blocked_list.h',
       'quic/core/spdy_utils.cc',
       'quic/core/spdy_utils.h',
       'quic/platform/api/quic_aligned.h',
+      'quic/platform/api/quic_bug_tracker.h',
       'quic/platform/api/quic_clock.cc',
       'quic/platform/api/quic_clock.h',
       'quic/platform/api/quic_export.h',
       'quic/platform/api/quic_ip_address_family.h',
       'quic/platform/api/quic_ip_address.cc',
       'quic/platform/api/quic_ip_address.h',
       'quic/platform/api/quic_lru_cache.h',
       'quic/platform/api/quic_mutex.cc',
       'quic/platform/api/quic_mutex.h',
       'quic/platform/api/quic_reference_counted.h',
       'quic/platform/api/quic_socket_address.cc',
       'quic/platform/api/quic_socket_address.h',
       'quic/platform/api/quic_str_cat.h',
       'quic/platform/api/quic_text_utils.h',
       'quic/platform/impl/quic_aligned_impl.h',
+      'quic/platform/impl/quic_bug_tracker_impl.h',
       'quic/platform/impl/quic_chromium_clock.cc',
       'quic/platform/impl/quic_chromium_clock.h',
       'quic/platform/impl/quic_export_impl.h',
       'quic/platform/impl/quic_ip_address_impl.cc',
       'quic/platform/impl/quic_ip_address_impl.h',
       'quic/platform/impl/quic_lru_cache_impl.h',
       'quic/platform/impl/quic_mutex_impl.cc',
       'quic/platform/impl/quic_mutex_impl.h',
       'quic/platform/impl/quic_reference_counted_impl.h',
       'quic/platform/impl/quic_socket_address_impl.cc',
@@ skipping 2336 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',
     ],
   }
 }