Handlify JSObject::DeepCopy method.

src/handles.cc

Index: src/handles.cc
diff --git a/src/handles.cc b/src/handles.cc
index 48114d91a71a3c396b29df5208674308f32cc99e..739ab2b914d3558ead0cece4977021e3ed9a1ecb 100644
--- a/src/handles.cc
+++ b/src/handles.cc
@@ -305,21 +305,6 @@ Handle<String> SubString(Handle<String> str,
 }
 
 
-Handle<JSObject> Copy(Handle<JSObject> obj) {
-  Isolate* isolate = obj->GetIsolate();
-  CALL_HEAP_FUNCTION(isolate,
-                     isolate->heap()->CopyJSObject(*obj), JSObject);
-}
-
-
-Handle<JSObject> DeepCopy(Handle<JSObject> obj) {
-  Isolate* isolate = obj->GetIsolate();
-  CALL_HEAP_FUNCTION(isolate,
-                     obj->DeepCopy(isolate),
-                     JSObject);
-}
-
-
 Handle<Object> SetAccessor(Handle<JSObject> obj, Handle<AccessorInfo> info) {
   CALL_HEAP_FUNCTION(obj->GetIsolate(), obj->DefineAccessor(*info), Object);
 }