[wasm] Enable wasm frame inspection for debugging

src/wasm/wasm-module.cc

Index: src/wasm/wasm-module.cc
diff --git a/src/wasm/wasm-module.cc b/src/wasm/wasm-module.cc
index 81ae133b687a987c12554664494f82f98f07e22a..9c1b6928e1e5ed4946bf285a6ff4fbeb4a653793 100644
--- a/src/wasm/wasm-module.cc
+++ b/src/wasm/wasm-module.cc
@@ -1056,6 +1056,12 @@ WasmDebugInfo* GetDebugInfo(JSObject* wasm) {
   return *new_info;
 }
 
+int GetNumberOfFunctions(JSObject* wasm) {
+  Object* func_names_obj = wasm->GetInternalField(kWasmFunctionNamesArray);
+  // TODO(clemensh): this looks inside an array constructed elsewhere. Refactor.
+  return ByteArray::cast(func_names_obj)->get_int(0);
+}
+
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8