Check buffer sequence and ring buffer index in shared memory at browser/renderer boundary for input audio.

Also moves sending hardware delay over socket to store it in buffer meta data.

BUG=517871

Review URL: https://codereview.chromium.org/1293503002

Cr-Commit-Position: refs/heads/master@{#344537}

1 files changed, 2 insertions, 5 deletions

diff --git a/media/audio/audio_input_controller.h b/media/audio/audio_input_controller.h
index 5bfe6bd..6f14394 100644
--- a/media/audio/audio_input_controller.h
+++ b/media/audio/audio_input_controller.h
@@ -131,14 +131,11 @@ class MEDIA_EXPORT AudioInputController
    public:
     virtual ~SyncWriter() {}
 
-    // Notify the synchronous writer about the number of bytes in the
-    // soundcard which has been recorded.
-    virtual void UpdateRecordedBytes(uint32 bytes) = 0;
-
     // Write certain amount of data from |data|.
     virtual void Write(const AudioBus* data,
                        double volume,
-                       bool key_pressed) = 0;
+                       bool key_pressed,
+                       uint32 hardware_delay_bytes) = 0;
 
     // Close this synchronous writer.
     virtual void Close() = 0;