Annotate ScriptWrappable-embedding singletons.

third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
@@ skipping 127 matching lines @@
   return ruleSetsCustomProperty;
 }
 
 }  // namespace
 
 using namespace HTMLNames;
 
 ComputedStyle* StyleResolver::s_styleNotYetAvailable;
 
 static StylePropertySet* leftToRightDeclaration() {
+  ALLOW_UNSAFE_SINGLETON()
   DEFINE_STATIC_LOCAL(MutableStylePropertySet, leftToRightDecl,
                       (MutableStylePropertySet::create(HTMLQuirksMode)));
   if (leftToRightDecl.isEmpty())
     leftToRightDecl.setProperty(CSSPropertyDirection, CSSValueLtr);
   return &leftToRightDecl;
 }
 
 static StylePropertySet* rightToLeftDeclaration() {
+  ALLOW_UNSAFE_SINGLETON()
   DEFINE_STATIC_LOCAL(MutableStylePropertySet, rightToLeftDecl,
                       (MutableStylePropertySet::create(HTMLQuirksMode)));
   if (rightToLeftDecl.isEmpty())
     rightToLeftDecl.setProperty(CSSPropertyDirection, CSSValueRtl);
   return &rightToLeftDecl;
 }
 
 static void collectScopedResolversForHostedShadowTrees(
     const Element& element,
     HeapVector<Member<ScopedStyleResolver>, 8>& resolvers) {
@@ skipping 1766 matching lines @@
 
 DEFINE_TRACE(StyleResolver) {
   visitor->trace(m_matchedPropertiesCache);
   visitor->trace(m_selectorFilter);
   visitor->trace(m_styleSharingLists);
   visitor->trace(m_document);
   visitor->trace(m_tracker);
 }
 
 }  // namespace blink