Adding the ability to change ICE servers through SetConfiguration.

talk/app/webrtc/peerconnectioninterface_unittest.cc

Index: talk/app/webrtc/peerconnectioninterface_unittest.cc
diff --git a/talk/app/webrtc/peerconnectioninterface_unittest.cc b/talk/app/webrtc/peerconnectioninterface_unittest.cc
index 8b7c9cf382f904e47fa3ee5471c5c339bf6e4537..d582ad5cb0c42d7e14f9aaa3c66f919138fce1dd 100644
--- a/talk/app/webrtc/peerconnectioninterface_unittest.cc
+++ b/talk/app/webrtc/peerconnectioninterface_unittest.cc
@@ -84,6 +84,7 @@ using webrtc::MockStatsObserver;
 using webrtc::PeerConnectionInterface;
 using webrtc::PeerConnectionObserver;
 using webrtc::PortAllocatorFactoryInterface;
+using webrtc::PortAllocatorFactoryInterface;
 using webrtc::SdpParseError;
 using webrtc::SessionDescriptionInterface;
 using webrtc::VideoSourceInterface;
@@ -1154,6 +1155,23 @@ TEST_F(PeerConnectionInterfaceTest, ReceiveUpdatedAudioOfferWithBadCodecs) {
   CreateAnswerAsLocalDescription();
 }
 
+// Test that we can use SetConfiguration to change the ICE servers of the
+// PortAllocator.
+TEST_F(PeerConnectionInterfaceTest, SetConfigurationChangesIceServers) {
+  CreatePeerConnection();
+
+  PeerConnectionInterface::RTCConfiguration config;
+  PeerConnectionInterface::IceServer server;
+  server.uri = "stun:test_hostname";
+  config.servers.push_back(server);
+  EXPECT_TRUE(pc_->SetConfiguration(config));
+
+  cricket::FakePortAllocator* allocator =
+      port_allocator_factory_->last_created_allocator();
+  EXPECT_EQ(1u, allocator->stun_servers().size());
+  EXPECT_EQ("test_hostname", allocator->stun_servers().begin()->hostname());
+}
+
 // Test that PeerConnection::Close changes the states to closed and all remote
 // tracks change state to ended.
 TEST_F(PeerConnectionInterfaceTest, CloseAndTestStreamsAndStates) {