[wasm] Avoid double-serializing the wire bytes

src/snapshot/code-serializer.h

 // 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.
 
 #ifndef V8_SNAPSHOT_CODE_SERIALIZER_H_
 #define V8_SNAPSHOT_CODE_SERIALIZER_H_
 
 #include "src/parsing/preparse-data.h"
 #include "src/snapshot/serializer.h"
 
@@ skipping 41 matching lines @@
   DisallowHeapAllocation no_gc_;
   uint32_t source_hash_;
   List<uint32_t> stub_keys_;
   DISALLOW_COPY_AND_ASSIGN(CodeSerializer);
 };
 
 class WasmCompiledModuleSerializer : public CodeSerializer {
  public:
   static std::unique_ptr<ScriptData> SerializeWasmModule(
       Isolate* isolate, Handle<FixedArray> compiled_module);
-  static MaybeHandle<FixedArray> DeserializeWasmModule(Isolate* isolate,
-                                                       ScriptData* data);
+  static MaybeHandle<FixedArray> DeserializeWasmModule(
+      Isolate* isolate, ScriptData* data, Vector<const byte> wire_bytes);
 
  protected:
   void SerializeCodeObject(Code* code_object, HowToCode how_to_code,
                            WhereToPoint where_to_point) override {
     Code::Kind kind = code_object->kind();
     if (kind == Code::WASM_FUNCTION || kind == Code::WASM_TO_JS_FUNCTION ||
         kind == Code::JS_TO_WASM_FUNCTION) {
       SerializeGeneric(code_object, how_to_code, where_to_point);
     } else {
       UNREACHABLE();
@@ skipping 77 matching lines @@
   }
 
   SanityCheckResult SanityCheck(Isolate* isolate,
                                 uint32_t expected_source_hash) const;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_SNAPSHOT_CODE_SERIALIZER_H_