Support the Aec dump for the APM in chrome

content/renderer/media/media_stream_audio_processor_options.h

Index: content/renderer/media/media_stream_audio_processor_options.h
diff --git a/content/renderer/media/media_stream_audio_processor_options.h b/content/renderer/media/media_stream_audio_processor_options.h
index 40544807000ddab96de50cf17402377ae13d0860..6c5ba8a7b835ea852f6a582445774bc162b3f4ea 100644
--- a/content/renderer/media/media_stream_audio_processor_options.h
+++ b/content/renderer/media/media_stream_audio_processor_options.h
@@ -7,6 +7,8 @@
 
 #include <string>
 
+#include "base/platform_file.h"
+
 namespace blink {
 class WebMediaConstraints;
 }
@@ -68,10 +70,13 @@ void EnableTypingDetection(AudioProcessing* audio_processing,
 void EnableExperimentalEchoCancellation(AudioProcessing* audio_processing);
 
 // Starts the echo cancellation dump in |audio_processing|.
-void StartAecDump(AudioProcessing* audio_processing);
+void StartEchoCancellationDump(AudioProcessing* audio_processing,
+                  const base::PlatformFile& aec_dump_file);
 
 // Stops the echo cancellation dump in |audio_processing|.
-void StopAecDump(AudioProcessing* audio_processing);
+// This method has no impact if echo cancellation dump has not been started on
+// |audio_processing|.
+void StopEchoCancellationDump(AudioProcessing* audio_processing);
 
 void EnableAutomaticGainControl(AudioProcessing* audio_processing);