[inspector] Split V8DebuggerScript implementation for wasm

src/inspector/wasm-translation.cc

 // Copyright 2016 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.
 
 #include "src/inspector/wasm-translation.h"
 
 #include <algorithm>
 
 #include "src/debug/debug-interface.h"
 #include "src/inspector/protocol/Debugger.h"
@@ skipping 142 matching lines @@
   String16 GetFakeScriptId(const TransLocation *loc) {
     return GetFakeScriptId(loc->script_id, loc->line);
   }
 
   void AddFakeScript(v8::Isolate *isolate, const String16 &underlyingScriptId,
                      int func_idx, WasmTranslation *translation,
                      V8DebuggerAgentImpl *agent) {
     String16 fake_script_id = GetFakeScriptId(underlyingScriptId, func_idx);
     String16 fake_script_url = GetFakeScriptUrl(isolate, func_idx);
 
+    v8::Local<debug::WasmScript> script = script_.Get(isolate);
     // TODO(clemensh): Generate disassembly lazily when queried by the frontend.
-    debug::WasmDisassembly disassembly =
-        script_.Get(isolate)->DisassembleFunction(func_idx);
+    debug::WasmDisassembly disassembly = script->DisassembleFunction(func_idx);
 
     DCHECK_EQ(0, offset_tables_.count(func_idx));
     offset_tables_.insert(
         std::make_pair(func_idx, std::move(disassembly.offset_table)));
     String16 source(disassembly.disassembly.data(),
                     disassembly.disassembly.length());
-    std::unique_ptr<V8DebuggerScript> fake_script(new V8DebuggerScript(
-        fake_script_id, std::move(fake_script_url), source));
+    std::unique_ptr<V8DebuggerScript> fake_script =
+        V8DebuggerScript::CreateWasm(isolate, script, fake_script_id,
+                                     std::move(fake_script_url), source);
 
     translation->AddFakeScript(fake_script->scriptId(), this);
     agent->didParseSource(std::move(fake_script), true);
   }
 
   int GetFunctionIndexFromFakeScriptId(const String16 &fake_script_id) {
     size_t last_dash_pos = fake_script_id.reverseFind('-');
     DCHECK_GT(fake_script_id.length(), last_dash_pos);
     bool ok = true;
     int func_index = fake_script_id.substring(last_dash_pos + 1).toInteger(&ok);
@@ skipping 108 matching lines @@
   *column_number = trans_loc.column;
 
   return true;
 }
 
 void WasmTranslation::AddFakeScript(const String16 &scriptId,
                                     TranslatorImpl *translator) {
   DCHECK_EQ(0, fake_scripts_.count(scriptId));
   fake_scripts_.insert(std::make_pair(scriptId, translator));
 }