(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}

rtc_base/network_route.h

@@ -0,0 +1,33 @@
+/*
+ *  Copyright 2016 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 RTC_BASE_NETWORKROUTE_H_
+#define RTC_BASE_NETWORKROUTE_H_
+
+#include <stdint.h>
+
+// TODO(honghaiz): Make a directory that describes the interfaces and structs
+// the media code can rely on and the network code can implement, and both can
+// depend on that, but not depend on each other. Then, move this file to that
+// directory.
+namespace rtc {
+
+struct NetworkRoute {
+  bool connected = false;
+  uint16_t local_network_id = 0;
+  uint16_t remote_network_id = 0;
+  // Last packet id sent on the PREVIOUS route.
+  int last_sent_packet_id = -1;
+  // The overhead in bytes from IP layer and above.
+  int packet_overhead = 0;
+};
+}  // namespace rtc
+
+#endif  // RTC_BASE_NETWORKROUTE_H_