bindings: Use Maybe version of v8::String::NewFromUtf8()

Source/bindings/core/v8/ScriptValueSerializer.cpp

Index: Source/bindings/core/v8/ScriptValueSerializer.cpp
diff --git a/Source/bindings/core/v8/ScriptValueSerializer.cpp b/Source/bindings/core/v8/ScriptValueSerializer.cpp
index cb2e55b3526cb224890238a8de7419ccc03b3d03..b344d48d7e2c873ee387a6fc4eb0b351fdf4f3ff 100644
--- a/Source/bindings/core/v8/ScriptValueSerializer.cpp
+++ b/Source/bindings/core/v8/ScriptValueSerializer.cpp
@@ -1273,7 +1273,7 @@ bool SerializedScriptValueReader::readString(v8::Local<v8::Value>* value)
         return false;
     if (m_position + length > m_length)
         return false;
-    *value = v8::String::NewFromUtf8(isolate(), reinterpret_cast<const char*>(m_buffer + m_position), v8::String::kNormalString, length);
+    *value = v8AtomicString(isolate(), reinterpret_cast<const char*>(m_buffer + m_position), length);
     m_position += length;
     return true;
 }