Cleanup: Remove heapchecker references in tools/valgrind.

tools/valgrind/test_suppressions.py

 #!/usr/bin/env python
 # 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.
 
 import argparse
 from collections import defaultdict
 import os
 import re
 import subprocess
@@ skipping 110 matching lines @@
     cur_supp = supp['common_suppressions']
     if all([re.search("%20Mac%20|mac_valgrind", url)
             for url in all_reports[r]]):
       # Include mac suppressions if the report is only present on Mac
       cur_supp += supp['mac_suppressions']
     elif all([re.search("Windows%20", url) for url in all_reports[r]]):
       # Include win32 suppressions if the report is only present on Windows
       cur_supp += supp['win_suppressions']
     elif all([re.search("Linux%20", url) for url in all_reports[r]]):
       cur_supp += supp['linux_suppressions']
-    # Separate from OS matches as we want to match "Linux%20Heapcheck" twice:
-    if all([re.search("%20Heapcheck", url)
-              for url in all_reports[r]]):
-      cur_supp += supp['heapcheck_suppressions']
     if all(["DrMemory" in url for url in all_reports[r]]):
       cur_supp += supp['drmem_suppressions']
     if all(["DrMemory%20full" in url for url in all_reports[r]]):
       cur_supp += supp['drmem_full_suppressions']
 
     # Test if this report is already suppressed
     skip = False
     for s in cur_supp:
       if s.Match(r.split("\n")):
         skip = True
@@ skipping 28 matching lines @@
       PrintTopSymbols(symbol_reports, args.top_symbols)
 
   else:
     print "Congratulations! All reports are suppressed!"
     # TODO(timurrrr): also make sure none of the old suppressions
     # were narrowed too much.
 
 
 if __name__ == "__main__":
   main(sys.argv[1:])