[oilpan] Handlify Nodes in htmlediting

Source/core/editing/BreakBlockquoteCommand.cpp

Index: Source/core/editing/BreakBlockquoteCommand.cpp
diff --git a/Source/core/editing/BreakBlockquoteCommand.cpp b/Source/core/editing/BreakBlockquoteCommand.cpp
index c2f9ee54218eb57b22552778a079eb958762ac4b..eacdd406719dca0f7f05799bf69a2a9a5ffa19e5 100644
--- a/Source/core/editing/BreakBlockquoteCommand.cpp
+++ b/Source/core/editing/BreakBlockquoteCommand.cpp
@@ -67,7 +67,7 @@ void BreakBlockquoteCommand::doApply()
     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;
     
@@ -100,8 +100,12 @@ void BreakBlockquoteCommand::doApply()
         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();
@@ -122,7 +126,7 @@ void BreakBlockquoteCommand::doApply()
     
     // 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;
     }