(3) Rename files to snake_case: move the files

Mechanically generated with this command:

tools_webrtc/do-rename.sh move all-renames.txt

Bug: webrtc:10159
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I8b05b6eab9b9d18b29c2199bbea239e9add1e690
Reviewed-on: https://webrtc-review.googlesource.com/c/115481
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26225}

pc/sctp_utils.h

@@ -0,0 +1,41 @@
+/*
+ *  Copyright 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef PC_SCTPUTILS_H_
+#define PC_SCTPUTILS_H_
+
+#include <string>
+
+#include "api/datachannelinterface.h"
+
+namespace rtc {
+class CopyOnWriteBuffer;
+}  // namespace rtc
+
+namespace webrtc {
+struct DataChannelInit;
+
+// Read the message type and return true if it's an OPEN message.
+bool IsOpenMessage(const rtc::CopyOnWriteBuffer& payload);
+
+bool ParseDataChannelOpenMessage(const rtc::CopyOnWriteBuffer& payload,
+                                 std::string* label,
+                                 DataChannelInit* config);
+
+bool ParseDataChannelOpenAckMessage(const rtc::CopyOnWriteBuffer& payload);
+
+bool WriteDataChannelOpenMessage(const std::string& label,
+                                 const DataChannelInit& config,
+                                 rtc::CopyOnWriteBuffer* payload);
+
+void WriteDataChannelOpenAckMessage(rtc::CopyOnWriteBuffer* payload);
+}  // namespace webrtc
+
+#endif  // PC_SCTPUTILS_H_