Reland of added functionality for specifying the initial signal level to use for the gain estimation

webrtc/modules/audio_processing/include/audio_processing.cc

Index: webrtc/modules/audio_processing/include/audio_processing.cc
diff --git a/webrtc/modules/audio_processing/audio_processing.cc b/webrtc/modules/audio_processing/include/audio_processing.cc
similarity index 91%
rename from webrtc/modules/audio_processing/audio_processing.cc
rename to webrtc/modules/audio_processing/include/audio_processing.cc
index 37d4a4bc9276b6711516a002f1b9900e20db0b5f..1489ef1871a1fc5217e6bc224c18cb87ca951e29 100644
--- a/webrtc/modules/audio_processing/audio_processing.cc
+++ b/webrtc/modules/audio_processing/include/audio_processing.cc
@@ -36,4 +36,7 @@ int AudioProcessing::StartDebugRecordingForPlatformFile(
   return -1;
 }
 
+AudioProcessing::Config::LevelController::LevelController() {}

[the sun, 2016/09/14 10:00:59]

Note that if you wish, you can be fancy and write this as:

AudioProcessing::Config::LevelController::LevelController() = default;

[peah-webrtc, 2016/09/16 07:11:06]

Done.

+AudioProcessing::Config::LevelController::~LevelController() {}
+
 }  // namespace webrtc