bindings: fixed incorrect dependency of SerializedScriptValue.

Source/bindings/modules/v8/SerializedScriptValueForModules.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/SerializedScriptValueForModules.h"
+
+#include "bindings/core/v8/ExceptionState.h"
+#include "bindings/modules/v8/ScriptValueSerializerForModules.h"
+#include "core/dom/ExceptionCode.h"
+#include "wtf/Assertions.h"
+#include "wtf/ByteOrder.h"
+#include "wtf/text/StringBuffer.h"
+
+namespace blink {
+
+SerializedScriptValueForModules::SerializedScriptValueForModules(v8::Handle<v8::Value> value, MessagePortArray* messagePorts, ArrayBufferArray* arrayBuffers, WebBlobInfoArray* blobInfo, ExceptionState& exceptionState, v8::Isolate* isolate)
+    : SerializedScriptValue()
+{
+    SerializedScriptValueInternal::WriterForModules writer;
+    SerializedScriptValueInternal::Serializer::Status status;
+    String errorMessage;
+    {
+        v8::TryCatch tryCatch;
+        SerializedScriptValueInternal::SerializerForModules serializer(writer, messagePorts, arrayBuffers, blobInfo, blobDataHandles(), tryCatch, ScriptState::current(isolate));
+        status = serializer.serialize(value);
+        if (status == SerializedScriptValueInternal::Serializer::JSException) {
+            // If there was a JS exception thrown, re-throw it.
+            exceptionState.rethrowV8Exception(tryCatch.Exception());
+            return;
+        }
+        errorMessage = serializer.errorMessage();
+    }
+    switch (status) {
+    case SerializedScriptValueInternal::Serializer::InputError:
+    case SerializedScriptValueInternal::Serializer::DataCloneError:
+        exceptionState.throwDOMException(DataCloneError, errorMessage);
+        return;
+    case SerializedScriptValueInternal::Serializer::Success:
+        setData(writer.takeWireString());
+        ASSERT(data().impl()->hasOneRef());
+        if (arrayBuffers && arrayBuffers->size())
+            transferArrayBuffers(isolate, *arrayBuffers, exceptionState);
+        return;
+    case SerializedScriptValueInternal::Serializer::JSException:
+        ASSERT_NOT_REACHED();
+        break;
+    }
+    ASSERT_NOT_REACHED();
+}
+
+v8::Handle<v8::Value> SerializedScriptValueForModules::deserialize(v8::Isolate* isolate, MessagePortArray* messagePorts, const WebBlobInfoArray* blobInfo)
+{
+    if (!data().impl())
+        return v8::Null(isolate);
+    COMPILE_ASSERT(sizeof(SerializedScriptValueInternal::Writer::BufferValueType) == 2, BufferValueTypeIsTwoBytes);
+    data().ensure16Bit();
+    // FIXME: SerializedScriptValue shouldn't use String for its underlying
+    // storage. Instead, it should use SharedBuffer or Vector<uint8_t>. The
+    // information stored in m_data isn't even encoded in UTF-16. Instead,
+    // unicode characters are encoded as UTF-8 with two code units per UChar.
+    SerializedScriptValueInternal::ReaderForModules reader(reinterpret_cast<const uint8_t*>(data().impl()->characters16()), 2 * data().length(), blobInfo, blobDataHandles(), ScriptState::current(isolate));
+    SerializedScriptValueInternal::DeserializerForModules deserializer(reader, messagePorts, arrayBufferContentsArray());
+
+    // deserialize() can run arbitrary script (e.g., setters), which could result in |this| being destroyed.
+    // Holding a RefPtr ensures we are alive (along with our internal data) throughout the operation.
+    RefPtr<SerializedScriptValue> protect(this);
+    return deserializer.deserialize();
+}
+
+} // namespace blink