Update API for Objective-C RTCPeerConnection.

webrtc/api/BUILD.gn

Index: webrtc/api/BUILD.gn
diff --git a/webrtc/api/BUILD.gn b/webrtc/api/BUILD.gn
index 3f47ac811573b0b61ae662762477a5ff0f19254a..2ef7dd006b881a486f72ff33c4980800b65fd240 100644
--- a/webrtc/api/BUILD.gn
+++ b/webrtc/api/BUILD.gn
@@ -53,9 +53,15 @@ if (is_ios) {
       #"objc/RTCMediaStreamTrack+Private.h",
       #"objc/RTCMediaStreamTrack.h",
       #"objc/RTCMediaStreamTrack.mm",
+      #"objc/RTCPeerConnection+Private.h",
+      #"objc/RTCPeerConnection.h",
+      #"objc/RTCPeerConnection.mm",
+      #"objc/RTCPeerConnectionDelegate.h",

[tkchin_webrtc, 2016/02/01 10:00:01]

Remove Delegate/Observer.
Delegate should be declared in RTCPeerConnection.h
Observer should be declared in RTCPeerConnection+Private.h

[hjon_webrtc, 2016/02/04 00:58:37]

Done.

Am I also understanding/guessing correctly that the Observer implementation
should be in RTCPeerConnection.mm rather than in its own file?

[tkchin_webrtc, 2016/02/05 16:15:15]

Yep

       #"objc/RTCPeerConnectionFactory+Private.h",
       #"objc/RTCPeerConnectionFactory.h",
       #"objc/RTCPeerConnectionFactory.mm",
+      #"objc/RTCPeerConnectionObserver.h",
+      #"objc/RTCPeerConnectionObserver.mm",
       #"objc/RTCVideoSource+Private.h",
       #"objc/RTCVideoSource.h",
       #"objc/RTCVideoSource.mm",