Rename Node::attached() to confusingAndOftenMisusedAttached()

Source/core/html/HTMLPlugInImageElement.cpp

Index: Source/core/html/HTMLPlugInImageElement.cpp
diff --git a/Source/core/html/HTMLPlugInImageElement.cpp b/Source/core/html/HTMLPlugInImageElement.cpp
index 255f21019cd66da9286b2381d43facc200d9284f..59cf8d65cf08e032b38d9f29b5535dd28dc1b83f 100644
--- a/Source/core/html/HTMLPlugInImageElement.cpp
+++ b/Source/core/html/HTMLPlugInImageElement.cpp
@@ -171,7 +171,7 @@ void HTMLPlugInImageElement::detach(const AttachContext& context)
     // FIXME: Because of the insanity that is HTMLPlugInImageElement::recalcStyle,
     // we can end up detaching during an attach() call, before we even have a
     // renderer.  In that case, don't mark the widget for update.
-    if (attached() && renderer() && !useFallbackContent())
+    if (confusingAndOftenMisusedAttached() && renderer() && !useFallbackContent())
         // Update the widget the next time we attach (detaching destroys the plugin).
         setNeedsWidgetUpdate(true);
     HTMLPlugInElement::detach(context);