Make base::Timer sequence-friendly.

build/sanitizers/tsan_suppressions.cc

 // Copyright 2014 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 file contains the default suppressions for ThreadSanitizer.
 // You can also pass additional suppressions via TSAN_OPTIONS:
 // TSAN_OPTIONS=suppressions=/path/to/suppressions. Please refer to
 // http://dev.chromium.org/developers/testing/threadsanitizer-tsan-v2
 // for more info.
 
@@ skipping 227 matching lines @@
     "race:blink::ThreadState::visitStackRoots\n"
 
     // http://crbug.com/582274
     "race:usrsctp_close\n"
 
     // http://crbug.com/633145
     "race:third_party/libjpeg_turbo/simd/jsimd_x86_64.c\n"
 
     // http://crbug.com/587199
     "race:base::TimerTest_OneShotTimer_CustomTaskRunner_Test::TestBody\n"
+    "race:base::TimerSequenceTest_OneShotTimerTaskOnPoolThread_Test::TestBody\n"
 
     // http://crbug.com/v8/6065
     "race:net::(anonymous namespace)::ProxyResolverV8TracingImpl::RequestImpl"
     "::~RequestImpl()\n"
 
     // http://crbug.com/691029
     "deadlock:libGLX.so*\n"
 
     // http://crbug.com/719633
     "race:crypto::EnsureNSSInit()\n"
 
     // http://crbug.com/695929
     "race:base::i18n::IsRTL\n"
     "race:base::i18n::SetICUDefaultLocale\n"
 
     // End of suppressions.
     ;  // Please keep this semicolon.
 
 #endif  // THREAD_SANITIZER