[wasm] Enable wasm frame inspection for debugging

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index b6c90ba319cd51cd2a3136b728cdd45c504b494a..ec74d7300814aa6cbf0aa315a47975c40d8ffc0d 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -39,6 +39,7 @@
 #include "src/v8.h"
 #include "src/version.h"
 #include "src/vm-state-inl.h"
+#include "src/wasm/wasm-debug.h"
 #include "src/wasm/wasm-module.h"
 
 namespace v8 {
@@ -627,6 +628,16 @@ class CaptureStackTraceHelper {
                             isolate_->factory()->NewNumberFromInt(position),
                             NONE);
     }
+    if (!script_id_key_.is_null()) {
+      Object* wasm_obj = frame->wasm_obj();
+      int script_id = wasm_obj->IsUndefined(isolate_)
+                          ? -1
+                          : wasm::GetDebugInfo(JSObject::cast(wasm_obj))
+                                ->GetFunctionScript(frame->function_index())
+                                ->id();
+      JSObject::AddProperty(stack_frame, script_id_key_,
+                            handle(Smi::FromInt(script_id), isolate_), NONE);
+    }
 
     return stack_frame;
   }