Rename RTCPeerConnection.updateIce to setConfiguration and make it work.

third_party/WebKit/public/platform/WebRTCError.h

Index: third_party/WebKit/public/platform/WebRTCError.h
diff --git a/third_party/WebKit/public/platform/WebRTCError.h b/third_party/WebKit/public/platform/WebRTCError.h
new file mode 100644
index 0000000000000000000000000000000000000000..9144872e74afd98db1987f39eb87acd46a442c17
--- /dev/null
+++ b/third_party/WebKit/public/platform/WebRTCError.h
@@ -0,0 +1,42 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WebRTCError_h
+#define WebRTCError_h
+
+// This header provides a Blink equivalent of webrtc::RTCError from
+// third_party/webrtc. It's used to communicate errors between Blink and the
+// WebRTCPeerConnectionHandler implementation.
+
+#include "WebCommon.h"
+
+namespace blink {
+
+enum class WebRTCErrorType {
+  kNone,
+  kUnsupportedParameter,
+  kInvalidParameter,
+  kInvalidRange,
+  kSyntaxError,
+  kInvalidState,
+  kInvalidModification,
+  kNetworkError,
+  kInternalError,
+};
+
+class WebRTCError {
+ public:
+  WebRTCError() : m_type(WebRTCErrorType::kNone) {}
+  explicit WebRTCError(WebRTCErrorType type) : m_type(type) {}
+
+  WebRTCErrorType type() const { return m_type; }
+  void setType(WebRTCErrorType type) { m_type = type; }
+
+ private:
+  WebRTCErrorType m_type;
+};
+
+}  // namespace blink
+
+#endif  // WebRTCError_h