Split bindings/v8/custom into core and modules.

Source/bindings/v8/custom/V8ClientCustom.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 "config.h"
-#include "bindings/modules/v8/V8Client.h"
-
-#include "bindings/v8/ExceptionMessages.h"
-#include "bindings/v8/ExceptionState.h"
-#include "bindings/v8/SerializedScriptValue.h"
-#include "bindings/v8/V8Binding.h"
-#include "core/dom/MessagePort.h"
-#include "modules/serviceworkers/ServiceWorker.h"
-#include "wtf/ArrayBuffer.h"
-
-namespace WebCore {
-
-void V8Client::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage", "ServiceWorker", info.Holder(), info.GetIsolate());
-    Client* client = V8Client::toNative(info.Holder());
-    MessagePortArray ports;
-    ArrayBufferArray arrayBuffers;
-    if (info.Length() > 1) {
-        const int transferablesArgIndex = 1;
-        if (!SerializedScriptValue::extractTransferables(info[transferablesArgIndex], transferablesArgIndex, ports, arrayBuffers, exceptionState, info.GetIsolate())) {
-            exceptionState.throwIfNeeded();
-            return;
-        }
-    }
-    RefPtr<SerializedScriptValue> message = SerializedScriptValue::create(info[0], &ports, &arrayBuffers, exceptionState, info.GetIsolate());
-    if (exceptionState.throwIfNeeded())
-        return;
-    ExecutionContext* context = currentExecutionContext(info.GetIsolate());
-    client->postMessage(context, message.release(), &ports, exceptionState);
-    exceptionState.throwIfNeeded();
-}
-
-} // namespace WebCore