Reload frame in V8Window::namedPropertyGetterCustom after js call

R=marja@chromium.org

BUG=454954

Review URL: https://codereview.chromium.org/901053006

git-svn-id: svn://svn.chromium.org/blink/trunk@189574 bbb929c8-8fbe-4397-9dbb-9b2b20218538
    explicit DialogHandler(v8::Handle<v8::Value> dialogArguments, ScriptState* scriptState)
        : m_scriptState(scriptState)
        , m_dialogArguments(dialogArguments)
    {
    }

    explicit DialogHandler(v8::Handle<v8::Value> dialogArguments, ScriptState* scriptState)
        : m_scriptState(scriptState)
        , m_dialogArguments(dialogArguments)
    {
    }
