Annotate ScriptWrappable-embedding singletons.

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple 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 132 matching lines @@
   if (url.getString().length() < maximumURLLengthForLogging)
     return url.getString();
   return url.getString().substring(0, maximumURLLengthForLogging) + "...";
 }
 
 const char* boolString(bool val) {
   return val ? "true" : "false";
 }
 
 DocumentElementSetMap& documentToElementSetMap() {
+  ALLOW_UNSAFE_SINGLETON()
   DEFINE_STATIC_LOCAL(DocumentElementSetMap, map, (new DocumentElementSetMap));
   return map;
 }
 
 void addElementToDocumentMap(HTMLMediaElement* element, Document* document) {
   DocumentElementSetMap& map = documentToElementSetMap();
   WeakMediaElementSet* set = nullptr;
   auto it = map.find(document);
   if (it == map.end()) {
     set = new WeakMediaElementSet;
@@ skipping 3963 matching lines @@
       kMostlyFillViewportBecomeStableSeconds, BLINK_FROM_HERE);
 }
 
 void HTMLMediaElement::viewportFillDebouncerTimerFired(TimerBase*) {
   m_mostlyFillingViewport = true;
   if (m_webMediaPlayer)
     m_webMediaPlayer->becameDominantVisibleContent(m_mostlyFillingViewport);
 }
 
 }  // namespace blink