[oilpan] Handlify Nodes in htmlediting

Source/core/editing/VisiblePosition.cpp

Index: Source/core/editing/VisiblePosition.cpp
diff --git a/Source/core/editing/VisiblePosition.cpp b/Source/core/editing/VisiblePosition.cpp
index b1b2e1a6ee7ae6385ce684a8f1378d35570bb149..0b3d5119aa0b2e7eb52039f027f734c1be8d4960 100644
--- a/Source/core/editing/VisiblePosition.cpp
+++ b/Source/core/editing/VisiblePosition.cpp
@@ -442,10 +442,10 @@ VisiblePosition VisiblePosition::honorEditingBoundaryAtOrBefore(const VisiblePos
     if (pos.isNull())
         return pos;
     
-    Node* highestRoot = highestEditableRoot(deepEquivalent());
+    Handle<Node> highestRoot = highestEditableRoot(deepEquivalent());
     
     // Return empty position if pos is not somewhere inside the editable region containing this position
-    if (highestRoot && !pos.deepEquivalent().deprecatedNode()->isDescendantOf(highestRoot))
+    if (highestRoot && !pos.deepEquivalent().deprecatedNode()->isDescendantOf(highestRoot.raw()))
         return VisiblePosition();
         
     // Return pos itself if the two are from the very same editable region, or both are non-editable
@@ -468,10 +468,10 @@ VisiblePosition VisiblePosition::honorEditingBoundaryAtOrAfter(const VisiblePosi
     if (pos.isNull())
         return pos;
     
-    Node* highestRoot = highestEditableRoot(deepEquivalent());
+    Handle<Node> highestRoot = highestEditableRoot(deepEquivalent());
     
     // Return empty position if pos is not somewhere inside the editable region containing this position
-    if (highestRoot && !pos.deepEquivalent().deprecatedNode()->isDescendantOf(highestRoot))
+    if (highestRoot && !pos.deepEquivalent().deprecatedNode()->isDescendantOf(highestRoot.raw()))
         return VisiblePosition();
     
     // Return pos itself if the two are from the very same editable region, or both are non-editable