Add opus audio codec support in remoting

remoting/remoting.gyp

Index: remoting/remoting.gyp
diff --git a/remoting/remoting.gyp b/remoting/remoting.gyp
index 9fbb51a093efa0aed8a481113c1a6c92dafbefed..0a5765995d768a98655803f0de3fd93d4f8d119c 100644
--- a/remoting/remoting.gyp
+++ b/remoting/remoting.gyp
@@ -1343,9 +1343,12 @@
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
         '../third_party/libvpx/libvpx.gyp:libvpx',
+        '../third_party/opus/opus.gyp:opus',
         '../third_party/protobuf/protobuf.gyp:protobuf_lite',
         '../third_party/speex/speex.gyp:libspeex',
         '../third_party/zlib/zlib.gyp:zlib',
+        '../media/media.gyp:media',
+        '../media/media.gyp:shared_memory_support',
         '../media/media.gyp:yuv_convert',
         'remoting_jingle_glue',
         'remoting_resources',
@@ -1398,6 +1401,8 @@
         'base/util.h',
         'codec/audio_decoder.cc',
         'codec/audio_decoder.h',
+        'codec/audio_decoder_opus.cc',
+        'codec/audio_decoder_opus.h',
         'codec/audio_decoder_speex.cc',
         'codec/audio_decoder_speex.h',
         'codec/audio_decoder_verbatim.cc',
@@ -1413,6 +1418,8 @@
         'codec/video_decoder_row_based.cc',
         'codec/video_decoder_row_based.h',
         'codec/video_encoder.h',
+        'codec/audio_encoder_opus.cc',
+        'codec/audio_encoder_opus.h',
         'codec/video_encoder_vp8.cc',
         'codec/video_encoder_vp8.h',
         'codec/video_encoder_row_based.cc',