Revert of Various ASan exemptions to allow Oilpan pre-sweep poisoning of unmarkeds.

Source/wtf/LinkedHashSet.h

Index: Source/wtf/LinkedHashSet.h
diff --git a/Source/wtf/LinkedHashSet.h b/Source/wtf/LinkedHashSet.h
index d8342e2316c47f42703dd4613331bd80b11b66fe..541976db84283fe73038ed326cd5e0b79ab42d6b 100644
--- a/Source/wtf/LinkedHashSet.h
+++ b/Source/wtf/LinkedHashSet.h
@@ -27,17 +27,6 @@
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 
-// TODO(sof): See NO_SANITIZE_ADDRESS comment in platform/heap/AddressSanitizer.h
-// on the Windows toolchain special case; that comment also covers why we
-// temporarily need this NO_LAZY_SWEEP_SANITIZE_ADDRESS_WTF annotation.
-// (macro repeatedly defined here so as to avoid introducing an improper
-// wtf/ => platform/ dependency.)
-#if defined(ADDRESS_SANITIZER) && ENABLE(OILPAN) && (!OS(WIN) || COMPILER(CLANG))
-#define NO_LAZY_SWEEP_SANITIZE_ADDRESS_WTF __attribute__((no_sanitize_address))
-#else
-#define NO_LAZY_SWEEP_SANITIZE_ADDRESS_WTF
-#endif
-
 namespace WTF {
 
 // LinkedHashSet: Just like HashSet, this class provides a Set
@@ -64,7 +53,6 @@
 public:
     LinkedHashSetNodeBase() : m_prev(this), m_next(this) { }
 
-    NO_LAZY_SWEEP_SANITIZE_ADDRESS_WTF
     void unlink()
     {
         if (!m_next)