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

media/audio/audio_input_device.cc

Index: media/audio/audio_input_device.cc
diff --git a/media/audio/audio_input_device.cc b/media/audio/audio_input_device.cc
index 02fa7a7ad681c68b08085a77807905f414e21b2b..074291fcfcb29603cda84d2c460ecf2b39418eef 100644
--- a/media/audio/audio_input_device.cc
+++ b/media/audio/audio_input_device.cc
@@ -36,7 +36,7 @@ class AudioInputDevice::AudioThreadCallback
   void MapSharedMemory() override;
 
   // Called whenever we receive notifications about pending data.
-  void Process(uint32 pending_data) override;
+  void Process(uint32_t pending_data) override;
 
  private:
   int current_segment_id_;
@@ -297,7 +297,7 @@ void AudioInputDevice::AudioThreadCallback::MapSharedMemory() {
   }
 }
 
-void AudioInputDevice::AudioThreadCallback::Process(uint32 pending_data) {
+void AudioInputDevice::AudioThreadCallback::Process(uint32_t pending_data) {
   // The shared memory represents parameters, size of the data buffer and the
   // actual data buffer containing audio data. Map the memory into this
   // structure and parse out parameters and the data area.