Fixes issue where Web Speech API drops a frame every 5.1 seconds

media/base/audio_converter.cc

Index: media/base/audio_converter.cc
diff --git a/media/base/audio_converter.cc b/media/base/audio_converter.cc
index be68ac627fa0d791584580fb628bcb397b42e56e..48686046fd71178ef38416a153c24641c95d96ff 100644
--- a/media/base/audio_converter.cc
+++ b/media/base/audio_converter.cc
@@ -117,6 +117,12 @@ int AudioConverter::ChunkSize() const {
   return resampler_->ChunkSize();
 }
 
+void AudioConverter::PrimeWithSilence() {
+  if (resampler_) {
+    resampler_->PrimeWithSilence();
+  }
+}
+
 void AudioConverter::ConvertWithDelay(const base::TimeDelta& initial_delay,
                                       AudioBus* dest) {
   initial_delay_ = initial_delay;