[Bindings] Replace V8HiddenValue in generated code with V8PrivateProperty

third_party/WebKit/Source/bindings/core/v8/V8HiddenValue.h

 // Copyright 2014 The Chromium 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 V8HiddenValue_h
 #define V8HiddenValue_h
 
 #include <memory>
 
 #include "bindings/core/v8/ScopedPersistent.h"
@@ skipping 14 matching lines @@
   V(customElementCreatedCallback)            \
   V(customElementDetachedCallback)           \
   V(customElementsRegistryMap)               \
   V(event)                                   \
   V(idbCursorRequest)                        \
   V(internalBodyBuffer)                      \
   V(internalBodyStream)                      \
   V(port1)                                   \
   V(port2)                                   \
   V(requestInFetchEvent)                     \
-  V(state)                                   \
   V(testInterfaces)                          \
   V(thenableHiddenPromise)                   \
   V(toStringString)                          \
   V(injectedScriptNative)                    \
   SCRIPT_PROMISE_PROPERTIES(V, Promise)      \
   SCRIPT_PROMISE_PROPERTIES(V, Resolver)
 
 class CORE_EXPORT V8HiddenValue {
   USING_FAST_MALLOC(V8HiddenValue);
   WTF_MAKE_NONCOPYABLE(V8HiddenValue);
@@ skipping 27 matching lines @@
   V8HiddenValue() {}
 
 #define V8_DECLARE_FIELD(name) ScopedPersistent<v8::String> m_##name;
   V8_HIDDEN_VALUES(V8_DECLARE_FIELD);
 #undef V8_DECLARE_FIELD
 };
 
 }  // namespace blink
 
 #endif  // V8HiddenValue_h