UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Steps to reproduce the problem:
1. use attached args.gn
2. ninja -C out\Default chrome 
3. 

What is the expected behavior?
Build does not fail with unresolved functions

What went wrong?
[179/6416] LINK(DLL) content.dll content.dll.lib content.dll.pdb
FAILED: content.dll content.dll.lib content.dll.pdb 
E:/Dev/depot_tools/python276_bin/python.exe ../../build/toolchain/win/tool_wrapper.py link-wrapper environment.x86 False link.exe /nologo /IMPLIB:./content.dll.lib /DLL /OUT:./content.dll /PDB:./content.dll.pdb @./content.dll.rsp
   Bibliothek "./content.dll.lib" und Objekt "./content.dll.exp" werden erstellt.

media_stream_audio_sink.obj : error LNK2019: Verweis auf nicht aufgel��s externes Symbol ""public: static class content::MediaStreamAudioTrack * __cdecl content::MediaStreamAudioTrack::From(class blink::WebMediaStreamTrack const &)" (?From@MediaStreamAudioTrack@content@@SAPAV12@ABVWebMediaStreamTrack@blink@@@Z)" in Funktion ""public: static void __cdecl content::MediaStreamAudioSink::AddToAudioTrack(class content::MediaStreamAudioSink *,class blink::WebMediaStreamTrack const &)" (?AddToAudioTrack@MediaStreamAudioSink@content@@SAXPAV12@ABVWebMediaStreamTrack@blink@@@Z)".

media_stream_audio_sink.obj : error LNK2019: Verweis auf nicht aufgel��s externes Symbol ""public: void __thiscall content::MediaStreamAudioTrack::AddSink(class content::MediaStreamAudioSink *)" (?AddSink@MediaStreamAudioTrack@content@@QAEXPAVMediaStreamAudioSink@2@@Z)" in Funktion ""public: static void __cdecl content::MediaStreamAudioSink::AddToAudioTrack(class content::MediaStreamAudioSink *,class blink::WebMediaStreamTrack const &)" (?AddToAudioTrack@MediaStreamAudioSink@content@@SAXPAV12@ABVWebMediaStreamTrack@blink@@@Z)".

media_stream_audio_sink.obj : error LNK2019: Verweis auf nicht aufgel��s externes Symbol ""public: void __thiscall content::MediaStreamAudioTrack::RemoveSink(class content::MediaStreamAudioSink *)" (?RemoveSink@MediaStreamAudioTrack@content@@QAEXPAVMediaStreamAudioSink@2@@Z)" in Funktion ""public: static void __cdecl content::MediaStreamAudioSink::RemoveFromAudioTrack(class content::MediaStreamAudioSink *,class blink::WebMediaStreamTrack const &)" (?RemoveFromAudioTrack@MediaStreamAudioSink@content@@SAXPAV12@ABVWebMediaStreamTrack@blink@@@Z)".

media_stream_audio_sink.obj : error LNK2019: Verweis auf nicht aufgel��s externes Symbol ""public: class media::AudioParameters __thiscall content::MediaStreamAudioTrack::GetOutputFormat(void)const " (?GetOutputFormat@MediaStreamAudioTrack@content@@QBE?AVAudioParameters@media@@XZ)" in Funktion ""public: static class media::AudioParameters __cdecl content::MediaStreamAudioSink::GetFormatFromAudioTrack(class blink::WebMediaStreamTrack const &)" (?GetFormatFromAudioTrack@MediaStreamAudioSink@content@@SA?AVAudioParameters@media@@ABVWebMediaStreamTrack@blink@@@Z)".

media_stream_utils.obj : error LNK2019: Verweis auf nicht aufgel��s externes Symbol ""public: bool __thiscall content::MediaStreamAudioSource::ConnectToTrack(class blink::WebMediaStreamTrack const &)" (?ConnectToTrack@MediaStreamAudioSource@content@@QAE_NABVWebMediaStreamTrack@blink@@@Z)" in Funktion ""bool __cdecl content::AddAudioTrackToMediaStream(class scoped_refptr<class media::AudioCapturerSource>,int,enum media::ChannelLayout,int,bool,bool,class blink::WebMediaStream *)" (?AddAudioTrackToMediaStream@content@@YA_NV?$scoped_refptr@VAudioCapturerSource@media@@@@HW4ChannelLayout@media@@H_N2PAVWebMediaStream@blink@@@Z)".

Did this work before? N/A 

Chrome version: 58.0.3017.0  Channel: n/a
OS Version: 10.0
Flash Version: 

- VS2015 is UpToDate
- Windows SDK 10 is UpToDate