Rename RTCPeerConnection.updateIce to setConfiguration and make it work.

components/test_runner/mock_webrtc_peer_connection_handler.h

Index: components/test_runner/mock_webrtc_peer_connection_handler.h
diff --git a/components/test_runner/mock_webrtc_peer_connection_handler.h b/components/test_runner/mock_webrtc_peer_connection_handler.h
index 0a6c2f4e2dc7d118e56116d22caedf6f148e25df..13104dbede2d84d8992f21d32dd018046e84f31f 100644
--- a/components/test_runner/mock_webrtc_peer_connection_handler.h
+++ b/components/test_runner/mock_webrtc_peer_connection_handler.h
@@ -50,8 +50,8 @@ class MockWebRTCPeerConnectionHandler
       const blink::WebRTCSessionDescription& remote_description) override;
   blink::WebRTCSessionDescription localDescription() override;
   blink::WebRTCSessionDescription remoteDescription() override;
-  bool setConfiguration(
-      const blink::WebRTCConfiguration& configuration) override;
+  bool setConfiguration(const blink::WebRTCConfiguration& configuration,
+                        blink::WebRTCError& error) override;
   bool addICECandidate(const blink::WebRTCICECandidate& ice_candidate) override;
   bool addICECandidate(const blink::WebRTCVoidRequest& request,
                        const blink::WebRTCICECandidate& ice_candidate) override;