[inspector] Introduce translation of wasm frames

src/js/messages.js

Index: src/js/messages.js
diff --git a/src/js/messages.js b/src/js/messages.js
index 3ea2bef5ad49d022dc036a780c55a888ff58f387..a0500bf4295d9576778cadabdafdec618b7eaa21 100644
--- a/src/js/messages.js
+++ b/src/js/messages.js
@@ -60,6 +60,17 @@ function ScriptNameOrSourceURL() {
 }
 
 
+/**
+ * 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",
@@ -70,6 +81,7 @@ utils.SetUpLockedPrototype(Script, [
   ], [
     "locationFromPosition", ScriptLocationFromPosition,
     "nameOrSourceURL", ScriptNameOrSourceURL,
+    "isWasm", ScriptIsWasm,
   ]
 );