[rename] Rename internal field to embedder field.

src/wasm/wasm-module.h

 // Copyright 2015 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_WASM_MODULE_H_
 #define V8_WASM_MODULE_H_
 
 #include <memory>
 
 #include "src/api.h"
@@ skipping 334 matching lines @@
 
 std::ostream& operator<<(std::ostream& os, const WasmModule& module);
 std::ostream& operator<<(std::ostream& os, const WasmFunction& function);
 std::ostream& operator<<(std::ostream& os, const WasmFunctionName& name);
 
 // Get the debug info associated with the given wasm object.
 // If no debug info exists yet, it is created automatically.
 Handle<WasmDebugInfo> GetDebugInfo(Handle<JSObject> wasm);
 
 // Check whether the given object represents a WebAssembly.Instance instance.
-// This checks the number and type of internal fields, so it's not 100 percent
+// This checks the number and type of embedder fields, so it's not 100 percent
 // secure. If it turns out that we need more complete checks, we could add a
-// special marker as internal field, which will definitely never occur anywhere
+// special marker as embedder field, which will definitely never occur anywhere
 // else.
 bool IsWasmInstance(Object* instance);
 
 // Get the script of the wasm module. If the origin of the module is asm.js, the
 // returned Script will be a JavaScript Script of Script::TYPE_NORMAL, otherwise
 // it's of type TYPE_WASM.
 Handle<Script> GetScript(Handle<JSObject> instance);
 
 V8_EXPORT_PRIVATE MaybeHandle<WasmModuleObject> CreateModuleObjectFromBytes(
     Isolate* isolate, const byte* start, const byte* end, ErrorThrower* thrower,
@@ skipping 81 matching lines @@
                             int instance_count);
 void ValidateModuleState(Isolate* isolate, Handle<WasmModuleObject> module_obj);
 void ValidateOrphanedInstance(Isolate* isolate,
                               Handle<WasmInstanceObject> instance);
 }  // namespace testing
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_H_