1 files changed, 13 insertions, 15 deletions

diff --git a/js/src/vm/NativeObject.h b/js/src/vm/NativeObject.h
index 9cc6d5436..3a3e50244 100644
--- a/js/src/vm/NativeObject.h
+++ b/js/src/vm/NativeObject.h
@@ -339,19 +339,16 @@ IsObjectValueInCompartment(const Value& v, JSCompartment* comp);
 #endif
 
 // Operations which change an object's dense elements can either succeed, fail,
-// or be unable to complete. The latter is used when the object's elements must
-// become sparse instead. The enum below is used for such operations.
+// or be unable to complete. For native objects, the latter is used when the
+// object's elements must become sparse instead. The enum below is used for
+// such operations, and for similar operations on unboxed arrays and methods
+// that work on both kinds of objects.
 enum class DenseElementResult {
     Failure,
     Success,
     Incomplete
 };
 
-enum class ShouldUpdateTypes {
-    Update,
-    DontUpdate
-};
-
 /*
  * NativeObject specifies the internal implementation of a native object.
  *
@@ -470,6 +467,11 @@ class NativeObject : public ShapedObject
     // that are (temporarily) inconsistent.
     void setLastPropertyMakeNonNative(Shape* shape);
 
+    // As for setLastProperty(), but changes the class associated with the
+    // object to a native one. The object's type has already been changed, and
+    // this brings the shape into sync with it.
+    void setLastPropertyMakeNative(ExclusiveContext* cx, Shape* shape);
+
     // Newly-created TypedArrays that map a SharedArrayBuffer are
     // marked as shared by giving them an ObjectElements that has the
     // ObjectElements::SHARED_MEMORY flag set.
@@ -744,10 +746,10 @@ class NativeObject : public ShapedObject
                               bool allowDictionary = true);
 
     /* Add a data property whose id is not yet in this scope. */
-    static Shape* addDataProperty(ExclusiveContext* cx, HandleNativeObject obj,
-                                  jsid id_, uint32_t slot, unsigned attrs);
-    static Shape* addDataProperty(ExclusiveContext* cx, HandleNativeObject obj,
-                                  HandlePropertyName name, uint32_t slot, unsigned attrs);
+    Shape* addDataProperty(ExclusiveContext* cx,
+                           jsid id_, uint32_t slot, unsigned attrs);
+    Shape* addDataProperty(ExclusiveContext* cx, HandlePropertyName name,
+                           uint32_t slot, unsigned attrs);
 
     /* Add or overwrite a property for id in this scope. */
     static Shape*
@@ -1149,10 +1151,6 @@ class NativeObject : public ShapedObject
         elementsRangeWriteBarrierPost(dstStart, count);
     }
 
-    inline DenseElementResult
-    setOrExtendDenseElements(ExclusiveContext* cx, uint32_t start, const Value* vp, uint32_t count,
-                             ShouldUpdateTypes updateTypes = ShouldUpdateTypes::Update);
-
     bool shouldConvertDoubleElements() {
         return getElementsHeader()->shouldConvertDoubleElements();
     }