Stop QuicDataChannel and QuicDataTransport unit tests from segfaulting

Minor; needed because QuicTransportChannel now owns the ICE transport
channel as a result of the QuicTransport CL.

TBR=pthatcher@webrtc.org

BUG=

Review-Url: https://codereview.webrtc.org/1934723003
Cr-Commit-Position: refs/heads/master@{#12576}
diff --git a/webrtc/api/quicdatachannel_unittest.cc b/webrtc/api/quicdatachannel_unittest.cc
index 2dd9102..1c5fc02 100644
--- a/webrtc/api/quicdatachannel_unittest.cc
+++ b/webrtc/api/quicdatachannel_unittest.cc
@@ -167,9 +167,9 @@
 class QuicDataChannelPeer {
  public:
   QuicDataChannelPeer()
-      : ice_transport_channel_("data", 0),
-        quic_transport_channel_(&ice_transport_channel_) {
-    ice_transport_channel_.SetAsync(true);
+      : ice_transport_channel_(new FakeTransportChannel("data", 0)),
+        quic_transport_channel_(ice_transport_channel_) {
+    ice_transport_channel_->SetAsync(true);
     fake_quic_data_transport_.ConnectToTransportChannel(
         &quic_transport_channel_);
   }
@@ -201,9 +201,9 @@
 
   // Connects |ice_transport_channel_| to that of the other peer.
   void Connect(QuicDataChannelPeer* other_peer) {
-    ice_transport_channel_.Connect();
-    other_peer->ice_transport_channel_.Connect();
-    ice_transport_channel_.SetDestination(&other_peer->ice_transport_channel_);
+    ice_transport_channel_->Connect();
+    other_peer->ice_transport_channel_->Connect();
+    ice_transport_channel_->SetDestination(other_peer->ice_transport_channel_);
   }
 
   rtc::scoped_ptr<rtc::SSLFingerprint>& local_fingerprint() {
@@ -215,11 +215,11 @@
   }
 
   FakeTransportChannel* ice_transport_channel() {
-    return &ice_transport_channel_;
+    return ice_transport_channel_;
   }
 
  private:
-  FakeTransportChannel ice_transport_channel_;
+  FakeTransportChannel* ice_transport_channel_;
   QuicTransportChannel quic_transport_channel_;
 
   rtc::scoped_ptr<rtc::SSLFingerprint> local_fingerprint_;