Cast: Allow extension to control wifi options on windows

media/cast/net/cast_transport_sender_impl.cc

Index: media/cast/net/cast_transport_sender_impl.cc
diff --git a/media/cast/net/cast_transport_sender_impl.cc b/media/cast/net/cast_transport_sender_impl.cc
index 466c3a581ed2d8e58bc91c47a33a3ad91a12d2c2..6c746f485bf4806be73bbf1c17e6a4927d2937b0 100644
--- a/media/cast/net/cast_transport_sender_impl.cc
+++ b/media/cast/net/cast_transport_sender_impl.cc
@@ -106,6 +106,16 @@ CastTransportSenderImpl::CastTransportSenderImpl(
     transport_->StartReceiving(
         base::Bind(&CastTransportSenderImpl::OnReceivedPacket,
                    weak_factory_.GetWeakPtr()));
+    int wifi_options = 0;
+    if (options->HasKey("disable_wifi_scan")) {
+      wifi_options |= net::WIFI_OPTIONS_DISABLE_SCAN;
+    }
+    if (options->HasKey("media_streaming_mode")) {
+      wifi_options |= net::WIFI_OPTIONS_MEDIA_STREAMING_MODE;
+    }
+    if (wifi_options) {
+      wifi_options_autoreset_ = net::SetWifiOptions(wifi_options);
+    }
   }
 }