Oilpan: move RenderObjects off heap.

Source/core/rendering/RenderView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 60 matching lines @@
 
     setPreferredLogicalWidthsDirty(MarkOnlyThis);
 
     setPositionState(AbsolutePosition); // to 0,0 :)
 }
 
 RenderView::~RenderView()
 {
 }
 
-void RenderView::trace(Visitor* visitor)
-{
-    visitor->trace(m_selectionStart);
-    visitor->trace(m_selectionEnd);
-    visitor->trace(m_renderQuoteHead);
-    visitor->trace(m_pendingSelection);
-    RenderBlockFlow::trace(visitor);
-}
-
 bool RenderView::hitTest(const HitTestRequest& request, HitTestResult& result)
 {
     return hitTest(request, result.hitTestLocation(), result);
 }
 
 bool RenderView::hitTest(const HitTestRequest& request, const HitTestLocation& location, HitTestResult& result)
 {
     TRACE_EVENT0("blink", "RenderView::hitTest");
     m_hitTestCount++;
 
@@ skipping 363 matching lines @@
         return LayoutRect();
 
     return object->selectionRectForPaintInvalidation(object->containerForPaintInvalidation());
 }
 
 IntRect RenderView::selectionBounds()
 {
     // Now create a single bounding box rect that encloses the whole selection.
     LayoutRect selRect;
 
-    typedef WillBeHeapHashSet<RawPtrWillBeMember<const RenderBlock> > VisitedContainingBlockSet;
+    typedef HashSet<const RenderBlock*> VisitedContainingBlockSet;
     VisitedContainingBlockSet visitedContainingBlocks;
 
     commitPendingSelection();
     RenderObject* os = m_selectionStart;
     RenderObject* stop = rendererAfterPosition(m_selectionEnd, m_selectionEndPos);
     while (os && os != stop) {
         if ((os->canBeSelectionLeaf() || os == m_selectionStart || os == m_selectionEnd) && os->selectionState() != SelectionNone) {
             // Blocks are responsible for painting line gaps and margin gaps. They must be examined as well.
             selRect.unite(selectionRectForRenderer(os));
             const RenderBlock* cb = os->containingBlock();
@@ skipping 71 matching lines @@
     if (m_selectionStart == start && m_selectionStartPos == startPos &&
         m_selectionEnd == end && m_selectionEndPos == endPos)
         return;
 
     // Record the old selected objects.  These will be used later
     // when we compare against the new selected objects.
     int oldStartPos = m_selectionStartPos;
     int oldEndPos = m_selectionEndPos;
 
     // Objects each have a single selection rect to examine.
-    typedef WillBeHeapHashMap<RawPtrWillBeMember<RenderObject>, SelectionState > SelectedObjectMap;
+    typedef HashMap<RenderObject*, SelectionState> SelectedObjectMap;
     SelectedObjectMap oldSelectedObjects;
     // FIXME: |newSelectedObjects| doesn't really need to store the SelectionState, it's just more convenient
     // to have it use the same data structure as |oldSelectedObjects|.
     SelectedObjectMap newSelectedObjects;
 
     // Blocks contain selected objects and fill gaps between them, either on the left, right, or in between lines and blocks.
     // In order to get the paint invalidation rect right, we have to examine left, middle, and right rects individually, since otherwise
     // the union of those rects might remain the same even when changes have occurred.
-    typedef WillBeHeapHashMap<RawPtrWillBeMember<RenderBlock>, SelectionState > SelectedBlockMap;
+    typedef HashMap<RenderBlock*, SelectionState> SelectedBlockMap;
     SelectedBlockMap oldSelectedBlocks;
     // FIXME: |newSelectedBlocks| doesn't really need to store the SelectionState, it's just more convenient
     // to have it use the same data structure as |oldSelectedBlocks|.
     SelectedBlockMap newSelectedBlocks;
 
     RenderObject* os = m_selectionStart;
     RenderObject* stop = rendererAfterPosition(m_selectionEnd, m_selectionEndPos);
     bool exploringBackwards = false;
     bool continueExploring = os && (os != stop);
     while (continueExploring) {
@@ skipping 405 matching lines @@
 }
 
 void RenderView::invalidateDisplayItemClients(DisplayItemList* displayItemList) const
 {
     RenderBlockFlow::invalidateDisplayItemClients(displayItemList);
     if (m_frameView)
         displayItemList->invalidate(m_frameView->displayItemClient());
 }
 
 } // namespace blink