Fix GN missing headers in //base

content/renderer/media/webrtc_audio_device_impl.cc

Index: content/renderer/media/webrtc_audio_device_impl.cc
diff --git a/content/renderer/media/webrtc_audio_device_impl.cc b/content/renderer/media/webrtc_audio_device_impl.cc
index 84a15f69b4ac17119620c7d1ee6bfeba2dd18994..a7111d0eaaa60b01d31d8e80bcde0b752bcd3a58 100644
--- a/content/renderer/media/webrtc_audio_device_impl.cc
+++ b/content/renderer/media/webrtc_audio_device_impl.cc
@@ -8,13 +8,16 @@
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_util.h"
 #include "base/trace_event/trace_event.h"
-#include "base/win/windows_version.h"
 #include "content/renderer/media/webrtc/processed_local_audio_source.h"
 #include "content/renderer/media/webrtc_audio_renderer.h"
 #include "media/audio/sample_rates.h"
 #include "media/base/audio_bus.h"
 #include "media/base/audio_parameters.h"
 
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
+
 using media::AudioParameters;
 using media::ChannelLayout;