Split out audio debug recording from RenderProcessHostImpl.

content/renderer/media/media_stream_audio_processor.h

Index: content/renderer/media/media_stream_audio_processor.h
diff --git a/content/renderer/media/media_stream_audio_processor.h b/content/renderer/media/media_stream_audio_processor.h
index 4b74ca0a24090d73f7649b93a36dce24d2f9c62b..69143c9ca166f1dd3d113d6a5f0479b4ddb2183a 100644
--- a/content/renderer/media/media_stream_audio_processor.h
+++ b/content/renderer/media/media_stream_audio_processor.h
@@ -13,7 +13,7 @@
 #include "base/time/time.h"
 #include "content/common/content_export.h"
 #include "content/public/common/media_stream_request.h"
-#include "content/renderer/media/aec_dump_message_filter.h"
+#include "content/renderer/media/audio_debug_recorder.h"
 #include "content/renderer/media/webrtc_audio_device_impl.h"
 #include "media/base/audio_converter.h"
 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
@@ -46,10 +46,10 @@ using webrtc::AudioProcessorInterface;
 // processing components like AGC, AEC and NS. It enables the components based
 // on the getUserMedia constraints, processes the data and outputs it in a unit
 // of 10 ms data chunk.
-class CONTENT_EXPORT MediaStreamAudioProcessor :
-    NON_EXPORTED_BASE(public WebRtcPlayoutDataSource::Sink),
-    NON_EXPORTED_BASE(public AudioProcessorInterface),
-    NON_EXPORTED_BASE(public AecDumpMessageFilter::AecDumpDelegate) {
+class CONTENT_EXPORT MediaStreamAudioProcessor
+    : NON_EXPORTED_BASE(public WebRtcPlayoutDataSource::Sink),
+      NON_EXPORTED_BASE(public AudioProcessorInterface),
+      NON_EXPORTED_BASE(public AudioDebugRecorder::AecDumpDelegate) {
  public:
   // |playout_data_source| is used to register this class as a sink to the
   // WebRtc playout data for processing AEC. If clients do not enable AEC,
@@ -104,7 +104,7 @@ class CONTENT_EXPORT MediaStreamAudioProcessor :
 
   // AecDumpMessageFilter::AecDumpDelegate implementation.
   // Called on the main render thread.
-  void OnAecDumpFile(const IPC::PlatformFileForTransit& file_handle) override;
+  void OnAecDumpFile(base::PlatformFile file_handle) override;
   void OnDisableAecDump() override;
   void OnIpcClosing() override;
 
@@ -114,7 +114,7 @@ class CONTENT_EXPORT MediaStreamAudioProcessor :
  private:
   friend class MediaStreamAudioProcessorTest;
   FRIEND_TEST_ALL_PREFIXES(MediaStreamAudioProcessorTest,
-                           GetAecDumpMessageFilter);
+                           GetAudioDebugRecorder);
 
   // WebRtcPlayoutDataSource::Sink implementation.
   void OnPlayoutData(media::AudioBus* audio_bus,
@@ -193,7 +193,7 @@ class CONTENT_EXPORT MediaStreamAudioProcessor :
   base::subtle::Atomic32 typing_detected_;
 
   // Communication with browser for AEC dump.
-  scoped_refptr<AecDumpMessageFilter> aec_dump_message_filter_;
+  scoped_refptr<AudioDebugRecorder> audio_debug_recorder_;
 
   // Flag to avoid executing Stop() more than once.
   bool stopped_;