[wasm] Allocate a single script per wasm module

src/debug/debug.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) {
 "use strict";
 
 // ----------------------------------------------------------------------------
 // Imports
 
@@ skipping 840 matching lines @@
     if (script.id == scriptId) return script;
   }
   return UNDEFINED;
 };
 
 
 Debug.debuggerFlags = function() {
   return debugger_flags;
 };
 
-Debug.getWasmFunctionOffsetTable = function(scriptId) {
-  var script = scriptById(scriptId);
-  return script ? %GetWasmFunctionOffsetTable(script) : UNDEFINED;
-}
-
-Debug.disassembleWasmFunction = function(scriptId) {
-  var script = scriptById(scriptId);
-  return script ? %DisassembleWasmFunction(script) : UNDEFINED;
-}
-
 Debug.MakeMirror = MakeMirror;
 
 function MakeExecutionState(break_id) {
   return new ExecutionState(break_id);
 }
 
 function ExecutionState(break_id) {
   this.break_id = break_id;
   this.selected_frame = 0;
 }
@@ skipping 1595 matching lines @@
   "IsBreakPointTriggered", IsBreakPointTriggered,
   "UpdateScriptBreakPoints", UpdateScriptBreakPoints,
 ]);
 
 // Export to liveedit.js
 utils.Export(function(to) {
   to.GetScriptBreakPoints = GetScriptBreakPoints;
 });
 
 })