Move and rename FdopenPlatformFile to file_util

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 a051fa477e8bad3770c9ddddc61cad1268e6c823..468355547f5d93a03b7ad7f7c15ebf8917143c1b 100644
--- a/content/renderer/media/media_stream_audio_processor_options.h
+++ b/content/renderer/media/media_stream_audio_processor_options.h
@@ -7,7 +7,7 @@
 
 #include <string>
 
-#include "base/platform_file.h"
+#include "base/files/file.h"
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
 #include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
@@ -109,7 +109,7 @@ void EnableExperimentalEchoCancellation(AudioProcessing* audio_processing);
 
 // Starts the echo cancellation dump in |audio_processing|.
 void StartEchoCancellationDump(AudioProcessing* audio_processing,
-                               const base::PlatformFile& aec_dump_file);
+                               base::File aec_dump_file);
 
 // Stops the echo cancellation dump in |audio_processing|.
 // This method has no impact if echo cancellation dump has not been started on