Broke out 'level_indicator' of the voice_engine GN target.

webrtc/voice_engine/voice_engine.gyp

 # Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [
@@ skipping 11 matching lines @@
         '<(webrtc_root)/modules/modules.gyp:audio_conference_mixer',
         '<(webrtc_root)/modules/modules.gyp:audio_device',
         '<(webrtc_root)/modules/modules.gyp:audio_processing',
         '<(webrtc_root)/modules/modules.gyp:bitrate_controller',
         '<(webrtc_root)/modules/modules.gyp:media_file',
         '<(webrtc_root)/modules/modules.gyp:paced_sender',
         '<(webrtc_root)/modules/modules.gyp:rtp_rtcp',
         '<(webrtc_root)/modules/modules.gyp:webrtc_utility',
         '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers',
         '<(webrtc_root)/webrtc.gyp:rtc_event_log',
+        'level_indicator',
       ],
       'export_dependent_settings': [
         '<(webrtc_root)/modules/modules.gyp:audio_coding_module',
       ],
       'sources': [
         'include/voe_audio_processing.h',
         'include/voe_base.h',
         'include/voe_codec.h',
         'include/voe_errors.h',
         'include/voe_external_media.h',
         'include/voe_file.h',
         'include/voe_hardware.h',
         'include/voe_neteq_stats.h',
         'include/voe_network.h',
         'include/voe_rtp_rtcp.h',
         'include/voe_video_sync.h',
         'include/voe_volume_control.h',
         'channel.cc',
         'channel.h',
         'channel_manager.cc',
         'channel_manager.h',
         'channel_proxy.cc',
         'channel_proxy.h',
-        'level_indicator.cc',
-        'level_indicator.h',
         'monitor_module.cc',
         'monitor_module.h',
         'network_predictor.cc',
         'network_predictor.h',
         'output_mixer.cc',
         'output_mixer.h',
         'shared_data.cc',
         'shared_data.h',
         'statistics.cc',
         'statistics.h',
@@ skipping 21 matching lines @@
         'voe_rtp_rtcp_impl.h',
         'voe_video_sync_impl.cc',
         'voe_video_sync_impl.h',
         'voe_volume_control_impl.cc',
         'voe_volume_control_impl.h',
         'voice_engine_defines.h',
         'voice_engine_impl.cc',
         'voice_engine_impl.h',
       ],
     },
+    {
+      'target_name': 'level_indicator',
+      'type': 'static_library',
+      'dependencies': [
+        '<(webrtc_root)/base/base.gyp:rtc_base_approved',
+        '<(webrtc_root)/common.gyp:webrtc_common',
+        '<(webrtc_root)/common_audio/common_audio.gyp:common_audio',
+      ],
+      'sources': [
+        'level_indicator.cc',
+        'level_indicator.h',
+      ]
+    }
   ],
   'conditions': [
     ['OS=="win"', {
       'defines': ['WEBRTC_DRIFT_COMPENSATION_SUPPORTED',],
     }],
     ['include_tests==1', {
       'targets': [
         {
           'target_name': 'voice_engine_unittests',
           'type': '<(gtest_target_type)',
@@ skipping 196 matching lines @@
               'sources': [
                 'voe_auto_test.isolate',
               ],
             },
           ],
         }],
       ],  # conditions
     }], # include_tests==1
   ], # conditions
 }