pluginShouldPersist  188 Source/core/html/HTMLPlugInElement.cpp     if (plugin && plugin->pluginShouldPersist())
pluginShouldPersist   89 Source/platform/Widget.h     virtual bool pluginShouldPersist() const { return false; }
pluginShouldPersist   98 Source/web/WebPluginContainerImpl.h     virtual bool pluginShouldPersist() const OVERRIDE;