[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 285c9cb5cb6e9ec78588b4b031e9c10b8c89fa2e..4c6318273311849994141ce7a0faae38de3d2bbb 100644
--- a/src/wasm/wasm-module.cc
+++ b/src/wasm/wasm-module.cc
@@ -1063,6 +1063,12 @@ 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