Ensure that data is not overwritten in the audio input shared memory ring buffer that sits on the b…

content/browser/renderer_host/media/audio_input_sync_writer.h

Index: content/browser/renderer_host/media/audio_input_sync_writer.h
diff --git a/content/browser/renderer_host/media/audio_input_sync_writer.h b/content/browser/renderer_host/media/audio_input_sync_writer.h
index cc6c0f248e5e7568681b19ca35a4eb51bc4fdb89..25358f9fce576a22f242c88e549f46dc5a8094c7 100644
--- a/content/browser/renderer_host/media/audio_input_sync_writer.h
+++ b/content/browser/renderer_host/media/audio_input_sync_writer.h
@@ -70,6 +70,14 @@ class AudioInputSyncWriter : public media::AudioInputController::SyncWriter {
   // Increasing ID used for audio buffers correct sequence at read side.
   uint32_t next_buffer_id_;
 
+  // Keeps track of number of expected buffer reads on the renderer side.
+  int expected_buffer_reads_;
+
+  // Counts the total number of buffer read verifictions and the number of
+  // timeouts when verifying.

[tommi (sloooow) - chröme, 2015/08/28 13:43:06]

is it possible to point to some design?  As is, it's hard to understand what
this actually means.

It would be good actually to document the design in a comment in this header.

+  size_t read_verification_count_;
+  size_t read_verification_timeout_count_;
+
   // Vector of audio buses allocated during construction and deleted in the
   // destructor.
   ScopedVector<media::AudioBus> audio_buses_;