Expose Ivf logging through the native API

webrtc/video_receive_stream.h

Index: webrtc/video_receive_stream.h
diff --git a/webrtc/video_receive_stream.h b/webrtc/video_receive_stream.h
index 0adcf3fc0d4cd3f499ae562dbd91ffbcfb03a21b..def103f195ca0216f218f9b1d973d8bbbdc12be9 100644
--- a/webrtc/video_receive_stream.h
+++ b/webrtc/video_receive_stream.h
@@ -16,6 +16,7 @@
 #include <string>
 #include <vector>
 
+#include "webrtc/base/platform_file.h"
 #include "webrtc/common_types.h"
 #include "webrtc/common_video/include/frame_callback.h"
 #include "webrtc/config.h"
@@ -208,6 +209,17 @@ class VideoReceiveStream {
   // TODO(pbos): Add info on currently-received codec to Stats.
   virtual Stats GetStats() const = 0;
 
+  // Takes ownership of the file, is responsible for closing it later.
+  // Calling this method will close and finalize any current log.
+  // Giving rtc::kInvalidPlatformFileValue disables logging.
+  // If a frame to be written would make the log too large the write fails and
+  // the log is closed and finalized. A |byte_limit| of 0 means no limit.
+  virtual void EnableEncodedFrameRecording(rtc::PlatformFile file,
+                                           size_t byte_limit) = 0;
+  inline void DisableEncodedFrameRecording() {
+    EnableEncodedFrameRecording(rtc::kInvalidPlatformFileValue, 0);
+  }
+
  protected:
   virtual ~VideoReceiveStream() {}
 };