Make PreviousRootInlineBoxCandidatePosition() to ignore nodes without layout object

third_party/WebKit/Source/core/editing/VisibleUnitsLine.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 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
@@ skipping 235 matching lines @@
         root->BlockDirectionPointInLine());
   }
 
   return LayoutPoint(
       root->BlockDirectionPointInLine(),
       LayoutUnit(line_direction_point - absolute_block_point.Y()));
 }
 
 bool InSameLine(const Node& node, const VisiblePosition& visible_position) {
   if (!node.GetLayoutObject())
-    return false;
+    return true;
   return InSameLine(CreateVisiblePosition(
                         FirstPositionInOrBeforeNode(const_cast<Node*>(&node))),
                     visible_position);
 }
 
 Node* FindNodeInPreviousLine(const Node& start_node,
                              const VisiblePosition& visible_position,
                              EditableType editable_type) {
   // TODO(editing-dev): We should make |PreviousLeafWithSameEditability()| to
   // take |const Node&|.
@@ skipping 474 matching lines @@
   // to the end of the line we're on.
   Element* root_element = HasEditableStyle(*node, editable_type)
                               ? RootEditableElement(*node, editable_type)
                               : node->GetDocument().documentElement();
   if (!root_element)
     return VisiblePosition();
   return VisiblePosition::LastPositionInNode(root_element);
 }
 
 }  // namespace blink