Forward the number of skipped frames by the OS in audio playout.

media/audio/win/audio_output_win_unittest.cc

Index: media/audio/win/audio_output_win_unittest.cc
diff --git a/media/audio/win/audio_output_win_unittest.cc b/media/audio/win/audio_output_win_unittest.cc
index 68f61eaf4d7395b3b91e4074e7f8fe150778e4be..4fa53c9b6ab02a25d572e570892f1f93b2edd9af 100644
--- a/media/audio/win/audio_output_win_unittest.cc
+++ b/media/audio/win/audio_output_win_unittest.cc
@@ -46,7 +46,9 @@ class TestSourceBasic : public AudioOutputStream::AudioSourceCallback {
         had_error_(0) {
   }
   // AudioSourceCallback::OnMoreData implementation:
-  int OnMoreData(AudioBus* audio_bus, uint32 total_bytes_delay) override {
+  int OnMoreData(AudioBus* audio_bus,
+                 uint32_t total_bytes_delay,
+                 uint32_t frames_skipped) override {
     ++callback_count_;
     // Touch the channel memory value to make sure memory is good.
     audio_bus->Zero();
@@ -514,7 +516,9 @@ class SyncSocketSource : public AudioOutputStream::AudioSourceCallback {
   ~SyncSocketSource() override {}
 
   // AudioSourceCallback::OnMoreData implementation:
-  int OnMoreData(AudioBus* audio_bus, uint32 total_bytes_delay) override {
+  int OnMoreData(AudioBus* audio_bus,
+                 uint32_t total_bytes_delay,
+                 uint32_t frames_skipped) override {
     socket_->Send(&total_bytes_delay, sizeof(total_bytes_delay));
     uint32 size = socket_->Receive(data_.get(), data_size_);
     DCHECK_EQ(static_cast<size_t>(size) % sizeof(*audio_bus_->channel(0)), 0U);
@@ -565,7 +569,7 @@ DWORD __stdcall SyncSocketThread(void* context) {
     if (ctx.socket->Receive(&total_bytes_delay, sizeof(total_bytes_delay)) == 0)
       break;
     if ((times > 0) && (total_bytes_delay < 1000)) __debugbreak();
-    sine.OnMoreData(audio_bus.get(), total_bytes_delay);
+    sine.OnMoreData(audio_bus.get(), total_bytes_delay, 0);
     ctx.socket->Send(data.get(), ctx.packet_size_bytes);
     ++times;
   }