Modify PeerConnection for end-to-end QuicDataChannel usage

webrtc/p2p/base/transport.h

Index: webrtc/p2p/base/transport.h
diff --git a/webrtc/p2p/base/transport.h b/webrtc/p2p/base/transport.h
index 66e300a1544be1117865471492fe7b8d13601a7a..cd876f1550d9cc400422dfe16aa067e067c20500 100644
--- a/webrtc/p2p/base/transport.h
+++ b/webrtc/p2p/base/transport.h
@@ -177,7 +177,7 @@ bool IceCredentialsChanged(const std::string& old_ufrag,
                            const std::string& new_ufrag,
                            const std::string& new_pwd);
 
-class Transport : public sigslot::has_slots<> {
+class Transport {
  public:
   Transport(const std::string& name, PortAllocator* allocator);
   virtual ~Transport();
@@ -204,8 +204,10 @@ class Transport : public sigslot::has_slots<> {
   void SetIceConfig(const IceConfig& config);
 
   // Must be called before applying local session description.
-  virtual void SetLocalCertificate(
-      const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) {}
+  virtual bool SetLocalCertificate(
+      const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) {
+    return false;
+  }

[mikescarlett, 2016/04/05 19:58:52]

Note: I originally modified Transport to let QuicTransportChannel subclass it,
but that is no longer necessary.

 
   // Get a copy of the local certificate provided by SetLocalCertificate.
   virtual bool GetLocalCertificate(