Cleanup: Remove heapchecker references in tools/valgrind.

tools/valgrind/waterfall.sh

 #!/bin/bash
 
 # Copyright (c) 2011 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.
 
 # This script can be used by waterfall sheriffs to fetch the status
 # of Valgrind bots on the memory waterfall and test if their local
 # suppressions match the reports on the waterfall.
 
@@ skipping 79 matching lines @@
 
     for BUILD in $LIST_OF_BUILDS
     do
       # We'll fetch a few tiny URLs now, let's use a temp file.
       TMPFILE=$(mktemp -t memory_waterfall.XXXXXX)
       download $SLAVE_URL/builds/$BUILD "$TMPFILE"
 
       REPORT_FILE="$LOGS_DIR/report_${S}_${BUILD}"
       rm -f $REPORT_FILE 2>/dev/null || true  # make sure it doesn't exist
 
-      REPORT_URLS=$(grep -o "[0-9]\+/steps/\(memory\|heapcheck\).*/logs/[0-9A-F]\{16\}" \
+      REPORT_URLS=$(grep -o "[0-9]\+/steps/memory.*/logs/[0-9A-F]\{16\}" \
                     "$TMPFILE" \
                     || true)  # `true` is to succeed on empty output
-      FAILED_TESTS=$(grep -o "[0-9]\+/steps/\(memory\|heapcheck\).*/logs/[A-Za-z0-9_.]\+" \
+      FAILED_TESTS=$(grep -o "[0-9]\+/steps/memory.*/logs/[A-Za-z0-9_.]\+" \
                      "$TMPFILE" | grep -v "[0-9A-F]\{16\}" \
                      | grep -v "stdio" || true)
 
       for REPORT in $REPORT_URLS
       do
         download "$SLAVE_URL/builds/$REPORT/text" "$TMPFILE"
         echo "" >> "$TMPFILE"  # Add a newline at the end
         cat "$TMPFILE" | tr -d '\r' >> "$REPORT_FILE"
       done
 
@@ skipping 99 matching lines @@
 elif [ "$CMD" = "match" ]; then
   match_suppressions $@
   match_gtest_excludes
 elif [ "$CMD" = "blame" ]; then
   echo The blame command died of bitrot. If you need it, please reimplement it.
   echo Reimplementation is blocked on http://crbug.com/82688
 else
   usage
   exit 1
 fi