Fix tsan_rv as it was broken due to recent "testcase" failures

tools/valgrind/valgrind_test.py

 # 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.
 
 """Runs an exe through Valgrind and puts the intermediate files in a
 directory.
 """
 
 import datetime
 import glob
@@ skipping 948 matching lines @@
 class ThreadSanitizerRV1Analyzer(tsan_analyze.TsanAnalyzer):
   """ TsanAnalyzer that saves race reports to a file. """
 
   TMP_FILE = "rvlog.tmp"
 
   def __init__(self, source_dir, use_gdb):
     super(ThreadSanitizerRV1Analyzer, self).__init__(source_dir, use_gdb)
     self.out = open(self.TMP_FILE, "w")
 
   def Report(self, files, testcase, check_sanity=False):
-    # TODO(timurrrr): handle testcase?
     reports = self.GetReports(files)
     for report in reports:
       print >>self.out, report
     if len(reports) > 0:
       logging.info("RaceVerifier pass 1 of 2, found %i reports" % len(reports))
       return -1
     return 0
 
   def CloseOutputFile(self):
     self.out.close()
@@ skipping 218 matching lines @@
       return Asan()
     try:
       platform_name = common.PlatformNames()[0]
     except common.NotImplementedError:
       platform_name = sys.platform + "(Unknown)"
     raise RuntimeError, "Unknown tool (tool=%s, platform=%s)" % (tool_name,
                                                                  platform_name)
 
 def CreateTool(tool):
   return ToolFactory().Create(tool)