Remove the happens-before annotations from base/memory/singleton.h

base/trace_event/trace_event_synthetic_delay.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.
 
 #include "base/memory/singleton.h"
+#include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/trace_event/trace_event_synthetic_delay.h"
 
 namespace {
 const int kMaxSyntheticDelays = 32;
 }  // namespace
 
 namespace base {
 namespace trace_event {
 
 TraceEventSyntheticDelayClock::TraceEventSyntheticDelayClock() {}
@@ skipping 209 matching lines @@
     delay_impl =
         base::trace_event::TraceEventSyntheticDelayRegistry::GetInstance()
             ->GetOrCreateDelay(name);
     base::subtle::Release_Store(
         impl_ptr, reinterpret_cast<base::subtle::AtomicWord>(delay_impl));
   }
   return delay_impl;
 }
 
 }  // namespace trace_event_internal