Express audio delay more precisely in frames rather than milliseconds.

content/renderer/media/renderer_webaudiodevice_impl.cc

Index: content/renderer/media/renderer_webaudiodevice_impl.cc
diff --git a/content/renderer/media/renderer_webaudiodevice_impl.cc b/content/renderer/media/renderer_webaudiodevice_impl.cc
index 6c366c1f71777690f71c0becb3ec59d80d402f92..6088a069182a7aa9903ba80746e32d483057d269 100644
--- a/content/renderer/media/renderer_webaudiodevice_impl.cc
+++ b/content/renderer/media/renderer_webaudiodevice_impl.cc
@@ -100,7 +100,7 @@ double RendererWebAudioDeviceImpl::sampleRate() {
 }
 
 int RendererWebAudioDeviceImpl::Render(media::AudioBus* dest,
-                                       uint32_t audio_delay_milliseconds,
+                                       uint32_t frames_delayed,
                                        uint32_t frames_skipped) {
 #if defined(OS_ANDROID)
   if (is_first_buffer_after_silence_) {