Oilpan: Introduce TempRangeScope to avoid needless Range attaches on Document.

Source/core/editing/FrameSelection.cpp

Index: Source/core/editing/FrameSelection.cpp
diff --git a/Source/core/editing/FrameSelection.cpp b/Source/core/editing/FrameSelection.cpp
index 4315ab30238de60418445f05796eaf54c5012be0..7b4a386220b2428d7f9dee914d066a751a806b87 100644
--- a/Source/core/editing/FrameSelection.cpp
+++ b/Source/core/editing/FrameSelection.cpp
@@ -329,6 +329,7 @@ void FrameSelection::nodeWillBeRemoved(Node& node)
 void FrameSelection::respondToNodeModification(Node& node, bool baseRemoved, bool extentRemoved, bool startRemoved, bool endRemoved)
 {
     ASSERT(node.document().isActive());
+    TempRangeScope scope;
 
     bool clearRenderTreeSelection = false;
     bool clearDOMTreeSelection = false;