Various ASan exemptions to allow Oilpan pre-sweep poisoning of unmarkeds.

Source/platform/ThreadTimers.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "platform/ThreadTimers.h"
 
 #include "platform/PlatformThreadData.h"
 #include "platform/SharedTimer.h"
 #include "platform/Timer.h"
 #include "platform/TraceEvent.h"
+#include "platform/heap/AddressSanitizer.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebScheduler.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/MainThread.h"
 
 namespace blink {
 
 // Fire timers for this length of time, and then quit to let the run loop process user input events.
 // 100ms is about a perceptable delay in UI, so use a half of that as a threshold.
 // This is to prevent UI freeze when there are too many timers or machine performance is low.
@@ skipping 27 matching lines @@
     }
 
     m_sharedTimer = sharedTimer;
 
     if (m_sharedTimer) {
         m_sharedTimer->setFiredFunction(ThreadTimers::sharedTimerFired);
         updateSharedTimer();
     }
 }
 
+NO_LAZY_SWEEP_SANITIZE_ADDRESS
 void ThreadTimers::updateSharedTimer()
 {
     if (!m_sharedTimer)
         return;
 
     if (m_firingTimers || m_timerHeap.isEmpty()) {
         m_pendingSharedTimerFireTime = 0;
         m_sharedTimer->stop();
     } else {
         double nextFireTime = m_timerHeap.first()->m_nextFireTime;
@@ skipping 50 matching lines @@
             || (isMainThread() && Platform::current()->currentThread()->scheduler()->shouldYieldForHighPriorityWork()))
             break;
     }
 
     m_firingTimers = false;
 
     updateSharedTimer();
 }
 
 } // namespace blink
-