Imported WebKit commit e89504fa9195b2063b2530961d4b73dd08de3242 (http://svn.webkit.org/repository/webkit/trunk@135485)

Change-Id: I03774e5ac79721c13ffa30d152537a74d0b12e66
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/Source/JavaScriptCore/runtime/Structure.h b/Source/JavaScriptCore/runtime/Structure.h
index 2b25803a6..6e4402c52 100644
--- a/Source/JavaScriptCore/runtime/Structure.h
+++ b/Source/JavaScriptCore/runtime/Structure.h
@@ -166,9 +166,15 @@ namespace JSC {
         JSValue prototypeForLookup(ExecState*) const;
         JSValue prototypeForLookup(JSGlobalObject*) const;
         JSValue prototypeForLookup(CodeBlock*) const;
+        StructureChain* prototypeChain(JSGlobalData&, JSGlobalObject*) const;
         StructureChain* prototypeChain(ExecState*) const;
         static void visitChildren(JSCell*, SlotVisitor&);
-
+        
+        // Will just the prototype chain intercept this property access?
+        bool prototypeChainMayInterceptStoreTo(JSGlobalData&, PropertyName);
+        
+        bool transitionDidInvolveSpecificValue() const { return !!m_specificValueInPrevious; }
+        
         Structure* previousID() const
         {
             ASSERT(structure()->classInfo() == &s_info);
@@ -397,6 +403,7 @@ namespace JSC {
             return numberOfSlotsForLastOffset(m_offset, m_typeInfo.type());
         }
 
+        bool isValid(JSGlobalObject*, StructureChain* cachedPrototypeChain) const;
         bool isValid(ExecState*, StructureChain* cachedPrototypeChain) const;
         
         void pin();