Editing: Skip TestRendering in ReplaceSelectionCommand if the editing host is plain-text editable a…

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

 /*
  * Copyright (C) 2005, 2006, 2007, 2008 Apple 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 644 matching lines @@
 }
 
 bool CompositeEditCommand::shouldRebalanceLeadingWhitespaceFor(const String& text) const
 {
     return containsOnlyWhitespace(text);
 }
 
 bool CompositeEditCommand::canRebalance(const Position& position) const
 {
     Node* node = position.computeContainerNode();
-    if (!position.isOffsetInAnchor() || !node || !node->isTextNode())
+    if (!position.isOffsetInAnchor() || !node || !node->isTextNode() || !node->layoutObjectIsRichlyEditable())
         return false;
 
     Text* textNode = toText(node);
     if (textNode->length() == 0)
         return false;
 
     LayoutText* layoutText = textNode->layoutObject();
     if (layoutText && !layoutText->style()->collapseWhiteSpace())
         return false;
 
@@ skipping 50 matching lines @@
     // current text node.
         isStartOfParagraph(visibleUpstreamPos) || upstream == 0,
         isEndOfParagraph(visibleDownstreamPos) || (unsigned)downstream == text.length());
 
     if (string != rebalancedString)
         replaceTextInNodePreservingMarkers(textNode.release(), upstream, length, rebalancedString);
 }
 
 void CompositeEditCommand::prepareWhitespaceAtPositionForSplit(Position& position)
 {
+    if (!isRichlyEditablePosition(position))
+        return;
     Node* node = position.anchorNode();
     if (!node || !node->isTextNode())
         return;
     Text* textNode = toText(node);
 
     if (textNode->length() == 0)
         return;
     LayoutText* layoutText = textNode->layoutObject();
     if (layoutText && !layoutText->style()->collapseWhiteSpace())
         return;
@@ skipping 867 matching lines @@
 }
 
 DEFINE_TRACE(CompositeEditCommand)
 {
     visitor->trace(m_commands);
     visitor->trace(m_composition);
     EditCommand::trace(visitor);
 }
 
 } // namespace blink