[oilpan] Handlify Nodes in htmlediting

Source/core/editing/BreakBlockquoteCommand.cpp

 /*
  * Copyright (C) 2005 Apple Computer, 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 49 matching lines @@
     if (endingSelection().isNone())
         return;
         
     VisiblePosition visiblePos = endingSelection().visibleStart();
     
     // pos is a position equivalent to the caret.  We use downstream() so that pos will 
     // be in the first node that we need to move (there are a few exceptions to this, see below).
     Position pos = endingSelection().start().downstream();
     
     // Find the top-most blockquote from the start.
-    Handle<Node> topBlockquote = adoptRawResult(highestEnclosingNodeOfType(pos, isMailBlockquote));
+    Handle<Node> topBlockquote = highestEnclosingNodeOfType(pos, isMailBlockquote);
     if (!topBlockquote || !topBlockquote->parentNode() || !topBlockquote->isElementNode())
         return;
     
     Handle<Element> breakNode = createBreakElement(document());
 
     bool isLastVisPosInNode = isLastVisiblePositionInNode(visiblePos, topBlockquote.raw());
 
     // If the position is at the beginning of the top quoted content, we don't need to break the quote.
     // Instead, insert the break before the blockquote, unless the position is as the end of the the quoted content.
     if (isFirstVisiblePositionInNode(visiblePos, topBlockquote.raw()) && !isLastVisPosInNode) {
@@ skipping 12 matching lines @@
         rebalanceWhitespace();
         return;
     }
     
     // Don't move a line break just after the caret.  Doing so would create an extra, empty paragraph
     // in the new blockquote.
     if (lineBreakExistsAtVisiblePosition(visiblePos))
         pos = pos.next();
 
     // Adjust the position so we don't split at the beginning of a quote.  
-    while (isFirstVisiblePositionInNode(VisiblePosition(pos), enclosingNodeOfType(pos, isMailBlockquote)))
+    while (true) {
+        HandleScope scope;
+        if (!isFirstVisiblePositionInNode(VisiblePosition(pos), enclosingNodeOfType(pos, isMailBlockquote).handle().raw()))
+            break;
         pos = pos.previous();
+    }
 
     // startNode is the first node that we need to move to the new blockquote.
     Handle<Node> startNode = pos.deprecatedNode();
 
     // Split at pos if in the middle of a text node.
     if (startNode->isTextNode()) {
         Handle<Text> textNode = toText(startNode);
         if ((unsigned)pos.deprecatedEditingOffset() >= textNode->length()) {
             startNode = NodeTraversal::next(startNode);
             ASSERT(startNode);
         } else if (pos.deprecatedEditingOffset() > 0)
             splitTextNode(textNode, pos.deprecatedEditingOffset());
     } else if (pos.deprecatedEditingOffset() > 0) {
         Handle<Node> childAtOffset = startNode->childNode(pos.deprecatedEditingOffset());
         startNode = childAtOffset ? childAtOffset : Handle<Node>(NodeTraversal::next(startNode));
         ASSERT(startNode);
     }
     
     // If there's nothing inside topBlockquote to move, we're finished.
     if (!startNode->isDescendantOf(topBlockquote.raw())) {
-        setEndingSelection(VisibleSelection(VisiblePosition(firstPositionInOrBeforeNode(startNode.raw())), endingSelection().isDirectional()));
+        setEndingSelection(VisibleSelection(VisiblePosition(firstPositionInOrBeforeNode(startNode)), endingSelection().isDirectional()));
         return;
     }
     
     // Build up list of ancestors in between the start node and the top blockquote.
     CollectionRoot<Vector<Member<Element> > > ancestors;
     for (Handle<Element> node = startNode->parentElement(); node && node != topBlockquote; node = node->parentElement())
         ancestors->append(node);
     
     // Insert a clone of the top blockquote after the break.
     Handle<Element> clonedBlockquote = toElement(topBlockquote)->cloneElementWithoutChildren();
@@ skipping 48 matching lines @@
     
     // Make sure the cloned block quote renders.
     addBlockPlaceholderIfNeeded(clonedBlockquote);
     
     // Put the selection right before the break.
     setEndingSelection(VisibleSelection(positionBeforeNode(breakNode), DOWNSTREAM, endingSelection().isDirectional()));
     rebalanceWhitespace();
 }
 
 } // namespace WebCore