[inspector] Introduce translation of wasm frames

src/js/messages.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // -------------------------------------------------------------------
 
 (function(global, utils) {
 
 %CheckIsBootstrapping();
 
@@ skipping 42 matching lines @@
  * @return {?string} script name if present, value for //# sourceURL comment or
  * deprecated //@ sourceURL comment otherwise.
  */
 function ScriptNameOrSourceURL() {
   // Keep in sync with Script::GetNameOrSourceURL.
   if (this.source_url) return this.source_url;
   return this.name;
 }
 
 
+/**
+ * Check whether the script is a WebAssembly (wasm) script.
+ *
+ * @return {boolean} true if this is a wasm script
+ */
+function ScriptIsWasm() {
+  let kWasmScriptType = 3;
+  return this.type == kWasmScriptType;
+}
+
+
 utils.SetUpLockedPrototype(Script, [
     "source",
     "name",
     "source_url",
     "source_mapping_url",
     "line_offset",
     "column_offset"
   ], [
     "locationFromPosition", ScriptLocationFromPosition,
     "nameOrSourceURL", ScriptNameOrSourceURL,
+    "isWasm", ScriptIsWasm,
   ]
 );
 
 });