Move webrtc/{tools => rtc_tools}

webrtc/tools/class_usage.sh

-#!/bin/bash
-
-# Copyright (c) 2017 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.
-
-# This script is run in a git repository. It lists all classes defined
-# in header files, sorted by the number of other files where the name
-# of the class occurs. It is intentionally not limited to only source
-# files. Classes close to the top of the list are candidates for
-# removal.
-
-git grep -h '^class .*[:{]' -- '*.h' '*.hpp' \
-  | sed -e 's/WEBRTC_DLL_EXPORT// ' -e 's/^class *\([^ :{(<]*\).*/\1/' \
-  | sort | uniq | while read class ; do
-  count="$(git grep -l -w -F "${class}" | wc -l)"
-  echo "${count}" "${class}"
-done | sort -n