Delivering the FIRST_NONEMPTY_PAINT phase changing event to base/

components/metrics.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.
 
 {
   'targets': [
     {
       # GN version: //components/metrics
       'target_name': 'metrics',
       'type': 'static_library',
@@ skipping 132 matching lines @@
         'variations',
       ],
       'export_dependent_settings': [
         'component_metrics_proto',
       ],
       'sources': [
         'metrics/profiler/profiler_metrics_provider.cc',
         'metrics/profiler/profiler_metrics_provider.h',
         'metrics/profiler/tracking_synchronizer.cc',
         'metrics/profiler/tracking_synchronizer.h',
+        'metrics/profiler/tracking_synchronizer_observer.cc',
         'metrics/profiler/tracking_synchronizer_observer.h',
       ],
     },
     {
       # Protobuf compiler / generator for UMA (User Metrics Analysis).
       #
       # GN version: //components/metrics/proto:proto
       'target_name': 'component_metrics_proto',
       'type': 'static_library',
       'sources': [
@@ skipping 50 matching lines @@
             'metrics/serialization/serialization_utils.h',
           ],
           'dependencies': [
             '../base/base.gyp:base',
           ],
         },
       ],
     }],
   ],
 }