Allow timer heap updates on firing shared timer.

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 93 matching lines @@
 void ThreadTimers::sharedTimerFired()
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "BlinkInternal");
 
     // Redirect to non-static method.
     PlatformThreadData::current().threadTimers().sharedTimerFiredInternal();
 
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "Sleeping");
 }
 
+NO_LAZY_SWEEP_SANITIZE_ADDRESS
 void ThreadTimers::sharedTimerFiredInternal()
 {
     // Do a re-entrancy check.
     if (m_firingTimers)
         return;
     m_firingTimers = true;
     m_pendingSharedTimerFireTime = 0;
 
     double fireTime = monotonicallyIncreasingTime();
     double timeToQuit = fireTime + maxDurationOfFiringTimers;
@@ skipping 19 matching lines @@
             || (isMainThread() && Platform::current()->currentThread()->scheduler()->shouldYieldForHighPriorityWork()))
             break;
     }
 
     m_firingTimers = false;
 
     updateSharedTimer();
 }
 
 } // namespace blink