Rename Node::attached() to confusingAndOftenMisusedAttached()

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 476 matching lines @@
     return toShadowRoot(root)->childShadowRootCount();
 }
 
 bool Internals::attached(Node* node, ExceptionState& es)
 {
     if (!node) {
         es.throwUninformativeAndGenericDOMException(InvalidAccessError);
         return false;
     }
 
-    return node->attached();
+    return node->confusingAndOftenMisusedAttached();
 }
 
 Node* Internals::nextSiblingByWalker(Node* node, ExceptionState& es)
 {
     if (!node) {
         es.throwUninformativeAndGenericDOMException(InvalidAccessError);
         return 0;
     }
     ComposedTreeWalker walker(node);
     walker.nextSibling();
@@ skipping 1743 matching lines @@
         return false;
     sharedContext->extensions()->loseContextCHROMIUM(Extensions3D::GUILTY_CONTEXT_RESET_ARB, Extensions3D::INNOCENT_CONTEXT_RESET_ARB);
     // To prevent tests that call loseSharedGraphicsContext3D from being
     // flaky, we call finish so that the context is guaranteed to be lost
     // synchronously (i.e. before returning).
     sharedContext->finish();
     return true;
 }
 
 }