Hotfix Valgrind scripts to use the --show-possibly-lost option...

tools/valgrind/valgrind_test.py

 #!/usr/bin/python
 # Copyright (c) 2006-2008 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.
 
 # valgrind_test.py
 
 """Runs an exe through Valgrind and puts the intermediate files in a
 directory.
 """
@@ skipping 482 matching lines @@
     parser.add_option("", "--track_origins", action="store_true",
                       default=False,
                       help="Show whence uninitialized bytes came. 30% slower.")
 
   def ToolSpecificFlags(self):
     ret = ["--leak-check=full", "--gen-suppressions=all", "--demangle=no"]
 
     if self._options.show_all_leaks:
       ret += ["--show-reachable=yes"]
     else:
-      ret += ["--show-possible=no"]
+      ret += ["--show-possibly-lost=no"]
 
     if self._options.track_origins:
       ret += ["--track-origins=yes"]
 
     return ret
 
   def CreateAnalyzer(self):
     use_gdb = common.IsMac()
     return memcheck_analyze.MemcheckAnalyzer(self._source_dir,
                                             self._options.show_all_leaks,
@@ skipping 406 matching lines @@
       platform_name = sys.platform + "(Unknown)"
     raise RuntimeError, "Unknown tool (tool=%s, platform=%s)" % (tool_name,
                                                                  platform_name)
 
 def CreateTool(tool):
   return ToolFactory().Create(tool)
 
 if __name__ == '__main__':
   logging.error(sys.argv[0] + " can not be run from command line")
   sys.exit(1)