Update from https://crrev.com/328418

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 139 matching lines @@
 // http://crbug.com/310851
 "race:net::ProxyResolverV8Tracing::Job::~Job\n"
 
 // http://crbug.com/313726
 "race:CallbackWasCalled\n"
 
 // http://crbug.com/327330
 "race:PrepareTextureMailbox\n"
 "race:cc::LayerTreeHost::PaintLayerContents\n"
 
+// http://crbug.com/476529
+"deadlock:cc::VideoLayerImpl::WillDraw\n"
+
 // http://crbug.com/328826
 "race:gLCDOrder\n"
 "race:gLCDOrientation\n"
 
 // http://crbug.com/328868
 "race:PR_Lock\n"
 
 // http://crbug.com/329225
 "race:blink::currentTimeFunction\n"
 
@@ skipping 118 matching lines @@
 // http://crbug.com/417193
 // Suppressing both AudioContext.{cpp,h}.
 "race:modules/webaudio/AudioContext\n"
 
 // https://code.google.com/p/skia/issues/detail?id=3294
 "race:SkBaseMutex::acquire\n"
 
 // https://crbug.com/430533
 "race:TileTaskGraphRunner::Run\n"
 
-// https://crbug.com/437044
-"race:SkEventTracer\n"
-
 // https://crbug.com/448203
 "race:blink::RemoteFrame::detach\n"
 
 // https://crbug.com/454652
 "race:net::NetworkChangeNotifier::SetTestNotificationsOnly\n"
 
 // https://crbug.com/455638
 "deadlock:dbus::Bus::ShutdownAndBlock\n"
 
 // https://crbug.com/455665
 "race:mojo::common::*::tick_clock\n"
 
 // https://crbug.com/459429
 "race:randomnessPid\n"
 
 // https://crbug.com/454655
 "race:content::BrowserTestBase::PostTaskToInProcessRendererAndWait\n"
 
 // End of suppressions.
 ;  // Please keep this semicolon.
 
 #endif  // THREAD_SANITIZER