Release Oilpan heap singletons prior to LSan leak detection.

third_party/WebKit/Source/wtf/text/StringImpl.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller ( mueller@kde.org )
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 343 matching lines @@
         ASSERT(!memcmp(string, it->value + 1, length * sizeof(LChar)));
         return it->value;
     }
 
     // Allocate a single buffer large enough to contain the StringImpl
     // struct as well as the data which it contains. This removes one
     // heap allocation from this call.
     RELEASE_ASSERT(length <= ((std::numeric_limits<unsigned>::max() - sizeof(StringImpl)) / sizeof(LChar)));
     size_t size = sizeof(StringImpl) + length * sizeof(LChar);
 
-    WTF_ANNOTATE_SCOPED_MEMORY_LEAK;
+    WTF_INTERNAL_LEAK_SANITIZER_DISABLED_SCOPE;
     StringImpl* impl = static_cast<StringImpl*>(Partitions::bufferMalloc(size, "WTF::StringImpl"));
 
     LChar* data = reinterpret_cast<LChar*>(impl + 1);
     impl = new (impl) StringImpl(length, hash, StaticString);
     memcpy(data, string, length * sizeof(LChar));
 #if ENABLE(ASSERT)
     impl->assertHashIsCorrect();
 #endif
 
     ASSERT(isMainThread());
@@ skipping 1734 matching lines @@
         } else if (localeIdMatchesLang(localeIdentifier, "lt")) {
             // TODO(rob.buis) implement upper-casing rules for lt
             // like in StringImpl::upper(locale).
         }
     }
 
     return toUpper(c);
 }
 
 } // namespace WTF