Editing: Pass failure information of RemoveNodeCommand to ReplaceSelectionCommand.

third_party/WebKit/Source/core/editing/commands/SimplifyMarkupCommand.cpp

 /*
  * Copyright (C) 2012 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 95 matching lines @@
     }
 
     ContainerNode* highestAncestorToRemove = nodesToRemove[pastLastNodeToRemove - 1].get();
     RefPtrWillBeRawPtr<ContainerNode> parent = highestAncestorToRemove->parentNode();
     if (!parent) // Parent has already been removed.
         return -1;
 
     if (pastLastNodeToRemove == startNodeIndex + 1)
         return 0;
 
-    removeNode(nodesToRemove[startNodeIndex], AssumeContentIsAlwaysEditable);
+    removeNode(nodesToRemove[startNodeIndex], ASSERT_NO_EDITING_ABORT, AssumeContentIsAlwaysEditable);
     insertNodeBefore(nodesToRemove[startNodeIndex], highestAncestorToRemove, AssumeContentIsAlwaysEditable);
-    removeNode(highestAncestorToRemove, AssumeContentIsAlwaysEditable);
+    removeNode(highestAncestorToRemove, ASSERT_NO_EDITING_ABORT, AssumeContentIsAlwaysEditable);
 
     return pastLastNodeToRemove - startNodeIndex - 1;
 }
 
 DEFINE_TRACE(SimplifyMarkupCommand)
 {
     visitor->trace(m_firstNode);
     visitor->trace(m_nodeAfterLast);
     CompositeEditCommand::trace(visitor);
 }
 
 } // namespace blink