Remove ScriptValueSerializer::serializeNullValue.

third_party/WebKit/Source/bindings/core/v8/ScriptValueSerializer.cpp

 // 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.
 
 #include "bindings/core/v8/ScriptValueSerializer.h"
 
 #include "bindings/core/v8/Transferables.h"
 #include "bindings/core/v8/V8ArrayBuffer.h"
 #include "bindings/core/v8/V8ArrayBufferView.h"
 #include "bindings/core/v8/V8Blob.h"
@@ skipping 790 matching lines @@
       isolate(), transferables->offscreenCanvases, exceptionState);
 }
 
 // static
 String ScriptValueSerializer::serializeWTFString(const String& data) {
   SerializedScriptValueWriter valueWriter;
   valueWriter.writeWebCoreString(data);
   return valueWriter.takeWireString();
 }
 
-// static
-String ScriptValueSerializer::serializeNullValue() {
-  SerializedScriptValueWriter valueWriter;
-  valueWriter.writeNull();
-  return valueWriter.takeWireString();
-}
-
 ScriptValueSerializer::StateBase* ScriptValueSerializer::doSerialize(
     v8::Local<v8::Value> value,
     StateBase* next) {
   m_writer.writeReferenceCount(m_nextObjectReference);
 
   if (value.IsEmpty())
     return handleError(Status::InputError,
                        "The empty property cannot be cloned.", next);
 
   uint32_t objectReference;
@@ skipping 1808 matching lines @@
       m_openCompositeReferenceStack[m_openCompositeReferenceStack.size() - 1];
   m_openCompositeReferenceStack.shrink(m_openCompositeReferenceStack.size() -
                                        1);
   if (objectReference >= m_objectPool.size())
     return false;
   *object = m_objectPool[objectReference];
   return true;
 }
 
 }  // namespace blink