Remove gender specific language from src/tools

tools/valgrind/regrind.sh

 #!/bin/sh
 # Copyright (c) 2012 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.
 
 # Scape errors from the valgrind bots, reproduce them locally,
 # save logs as regrind-TESTNAME.log, and display any errors found.
 # Also save files regrind-failed.txt listing failed tests,
 # and regrind-failed-map.txt showing which bot URLs have which failed tests
 # (handy when filing bugs).
@@ skipping 24 matching lines @@
 # Given a log on stdin, list all the tests that failed in that log.
 layout_list_failed_tests() {
   grep "Command:.*LayoutTests" |
     sed 's/<.*>//' |
     sed 's/.*LayoutTests/LayoutTests/' |
     sort -u |
     tr -d '\015'
 }
 
 # Generate a list of failed tests in regrind-failed.txt by scraping bot.
-# Scrape most recent first, so if user interrupts, he is left with fresh-ish data.
+# Scrape most recent first, so if user interrupts, they are left with fresh-ish
+# data.
 scrape_layout() {
   rm -f regrind-*.tmp* regrind-failed.txt regrind-failed-map.txt
   touch regrind-failed.txt
 
   # First, grab the number of the latest complete build.
   wget -q -O regrind-builds.html "$LAYOUT_URL"
   latest=`grep "<li><font .*" < regrind-builds.html | head -1 | sed 's/.*#//;s/<.*//'`
 
   echo "Fetching $LAYOUT_COUNT logs from bot"
   # Scrape the desired number of runs (150 is about one cycle)
@@ skipping 73 matching lines @@
 
 if test $do_repro = 1
 then
   repro_layout
 fi
 
 if test $do_cleanup = 1
 then
   rm -f regrind-errfiles.txt regrind-*.tmp*
 fi