Oilpan: add [WillBeGarbageCollected] for Node.

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 907 matching lines @@
         if (exceptionState.hadException())
             return false;
         newContainerNode->appendChild(newChild.release(), exceptionState);
         if (exceptionState.hadException())
             return false;
     }
 
     return true;
 }
 
-PassRefPtr<Node> Document::importNode(Node* importedNode, ExceptionState& ec)
+PassRefPtrWillBeRawPtr<Node> Document::importNode(Node* importedNode, ExceptionState& ec)
 {
     UseCounter::countDeprecation(this, UseCounter::DocumentImportNodeOptionalArgument);
     return importNode(importedNode, true, ec);
 }
 
-PassRefPtr<Node> Document::importNode(Node* importedNode, bool deep, ExceptionState& exceptionState)
+PassRefPtrWillBeRawPtr<Node> Document::importNode(Node* importedNode, bool deep, ExceptionState& exceptionState)
 {
     if (!importedNode) {
         exceptionState.throwDOMException(NotSupportedError, ExceptionMessages::argumentNullOrIncorrectType(1, "Node"));
         return nullptr;
     }
 
     switch (importedNode->nodeType()) {
     case TEXT_NODE:
         return createTextNode(importedNode->nodeValue());
     case CDATA_SECTION_NODE:
@@ skipping 1299 matching lines @@
     lifecycleNotifier().notifyDocumentWasDetached();
     m_lifecycle.advanceTo(DocumentLifecycle::Stopped);
 #if ENABLE(OILPAN)
     // FIXME: Oilpan: With Oilpan dispose should not be needed. At
     // this point we still have dispose in order to clear out some
     // RefPtrs that would otherwise cause leaks. However, when the
     // Document is detached the document can still be alive, so we
     // really shouldn't clear anything at this point. It should just
     // die with the document when the document is no longer reachable.
     dispose();
+
+    // This mirrors the clearing of the document object's touch
+    // handlers that happens when the DOMWindow is destructed in a
+    // non-Oilpan setting (DOMWindow::removeAllEventListeners()),
+    // except that it is now done during detach instead.
+    didClearTouchEventHandlers(this);
+
+    // Done with the window, explicitly clear to hasten its
+    // destruction.
+    clearDOMWindow();
 #endif
 }
 
 void Document::prepareForDestruction()
 {
     m_markers->prepareForDestruction();
     disconnectDescendantFrames();
 
     // The process of disconnecting descendant frames could have already detached us.
     if (!isActive())
@@ skipping 3500 matching lines @@
 #if ENABLE(OILPAN)
     for (int i = 0; i < numNodeListInvalidationTypes; ++i)
         visitor->trace(m_nodeLists[i]);
 #endif
     visitor->trace(m_cssCanvasElements);
     visitor->trace(m_topLayerElements);
     visitor->trace(m_elemSheet);
     visitor->trace(m_nodeIterators);
     visitor->trace(m_styleEngine);
     visitor->trace(m_formController);
+    visitor->trace(m_domWindow);
     visitor->trace(m_fetcher);
     visitor->trace(m_parser);
     visitor->trace(m_contextFeatures);
     visitor->trace(m_styleSheetList);
     visitor->trace(m_mediaQueryMatcher);
     visitor->trace(m_associatedFormControls);
     visitor->trace(m_templateDocument);
     visitor->trace(m_templateDocumentHost);
     visitor->trace(m_visibilityObservers);
     visitor->trace(m_userActionElements);
     visitor->trace(m_svgExtensions);
     visitor->trace(m_timeline);
     visitor->trace(m_compositorPendingAnimations);
     visitor->registerWeakMembers<Document, &Document::clearWeakMembers>(this);
     DocumentSupplementable::trace(visitor);
     TreeScope::trace(visitor);
     ContainerNode::trace(visitor);
     ExecutionContext::trace(visitor);
 }
 
 } // namespace WebCore