Get rid of scheduleSVGFilterLayerUpdateHack call for plugins.

Source/core/html/HTMLPlugInElement.cpp

Index: Source/core/html/HTMLPlugInElement.cpp
diff --git a/Source/core/html/HTMLPlugInElement.cpp b/Source/core/html/HTMLPlugInElement.cpp
index 301c502fee18c385a0e92bb2b27deb4d24ab2379..103aae19b23c117226db9f93ff573b38fbeaf836 100644
--- a/Source/core/html/HTMLPlugInElement.cpp
+++ b/Source/core/html/HTMLPlugInElement.cpp
@@ -179,6 +179,13 @@ void HTMLPlugInElement::createPluginWithoutRenderer()
     loadPlugin(url, m_serviceType, paramNames, paramValues, useFallback, false);
 }
 
+bool HTMLPlugInElement::shouldAccelerate() const
+{
+    if (Widget* widget = ownedWidget())
+        return widget->isPluginView() && toPluginView(widget)->platformLayer();
+    return false;
+}
+
 void HTMLPlugInElement::detach(const AttachContext& context)
 {
     // Update the widget the next time we attach (detaching destroys the plugin).