Cleanup casts

Author: armanbilge

src/main/scala/org/scalajs/dom/RTCConfiguration.scala

@@ -31,9 +31,9 @@ object RTCConfiguration {
       peerIdentity: js.UndefOr[String] = js.undefined): RTCConfiguration = {
     val result = js.Dynamic.literal()
     iceServers.foreach(result.iceServers = _)
-    iceTransportPolicy.map(_.asInstanceOf[js.Any]).foreach(result.iceTransportPolicy = _)
-    bundlePolicy.map(_.asInstanceOf[js.Any]).foreach(result.bundlePolicy = _)
-    peerIdentity.map(_.asInstanceOf[js.Any]).foreach(result.peerIdentity = _)
+    iceTransportPolicy.foreach(x => result.iceTransportPolicy = x.asInstanceOf[js.Any])
+    bundlePolicy.foreach(x => result.bundlePolicy = x.asInstanceOf[js.Any])
+    peerIdentity.foreach(x => result.peerIdentity = x.asInstanceOf[js.Any])
     result.asInstanceOf[RTCConfiguration]
   }
 }

src/main/scala/org/scalajs/dom/RTCSessionDescriptionInit.scala

@@ -16,7 +16,7 @@ object RTCSessionDescriptionInit {
   def apply(`type`: js.UndefOr[RTCSdpType] = js.undefined,
       sdp: js.UndefOr[String] = js.undefined): RTCSessionDescriptionInit = {
     val result = js.Dynamic.literal()
-    `type`.map(_.asInstanceOf[js.Any]).foreach(result.`type` = _)
+    `type`.foreach(x => result.`type` = x.asInstanceOf[js.Any])
     sdp.foreach(result.sdp = _)
     result.asInstanceOf[RTCSessionDescriptionInit]
   }