| Index: content/common/media/media_stream_options.cc
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| diff --git a/content/common/media/media_stream_options.cc b/content/common/media/media_stream_options.cc
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| index 524bc203f87f44c647a380e7c7461b4576d5308f..adcf33128413a02215b89aa88fa69d27674ee7b2 100644
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| --- a/content/common/media/media_stream_options.cc
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| +++ b/content/common/media/media_stream_options.cc
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| @@ -8,6 +8,10 @@
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|  
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|  namespace media_stream {
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|  
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| +const char kMediaStreamSource[] = "chromeMediaSource";
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| +const char kMediaStreamSourceId[] = "chromeMediaSourceId";
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| +const char kMediaStreamSourceTab[] = "tab";
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| +
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|  StreamOptions::StreamOptions()
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|      : audio_type(content::MEDIA_NO_SERVICE),
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|        video_type(content::MEDIA_NO_SERVICE) {}
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| 
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