Add network quality change events to net log

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 833 matching lines @@
       'http2/hpack/huffman/http2_hpack_huffman_decoder.h',
       'http2/http2_constants.cc',
       'http2/http2_constants.h',
       'http2/http2_structures.cc',
       'http2/http2_structures.h',
       'http2/tools/http2_bug_tracker.h',
       'nqe/cached_network_quality.cc',
       'nqe/cached_network_quality.h',
       'nqe/effective_connection_type.cc',
       'nqe/effective_connection_type.h',
+      'nqe/event_creator.cc',
+      'nqe/event_creator.h',
       'nqe/external_estimate_provider.h',
       'nqe/network_id.h',
       'nqe/network_qualities_prefs_manager.cc',
       'nqe/network_qualities_prefs_manager.h',
       'nqe/network_quality.cc',
       'nqe/network_quality.h',
       'nqe/network_quality_estimator.cc',
       'nqe/network_quality_estimator.h',
       'nqe/network_quality_estimator_params.cc',
       'nqe/network_quality_estimator_params.h',
@@ skipping 2709 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',
     ],
   }
 }