Merged r18286, r18289, r18291, r18292, r18299, r18327 into 3.23 branch.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 09a1c7cfb43c824d61574a3f4207aea70f8a4597..5216657347936a09038d2e6527fdcbdc3329d1fa 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -878,6 +878,7 @@ class DictionaryElementsAccessor;
 class ElementsAccessor;
 class Failure;
 class FixedArrayBase;
+class GlobalObject;
 class ObjectVisitor;
 class StringStream;
 class Type;
@@ -7424,6 +7425,8 @@ class JSGlobalProxy : public JSObject {
   // Casting.
   static inline JSGlobalProxy* cast(Object* obj);
 
+  inline bool IsDetachedFrom(GlobalObject* global);
+
   // Dispatched behavior.
   DECLARE_PRINTER(JSGlobalProxy)
   DECLARE_VERIFIER(JSGlobalProxy)
@@ -7493,6 +7496,8 @@ class JSGlobalObject: public GlobalObject {
   static Handle<PropertyCell> EnsurePropertyCell(Handle<JSGlobalObject> global,
                                                  Handle<Name> name);
 
+  inline bool IsDetached();
+
   // Dispatched behavior.
   DECLARE_PRINTER(JSGlobalObject)
   DECLARE_VERIFIER(JSGlobalObject)