CANCELED: Make ComputeNodeBeforePosition() to return const Node*

third_party/WebKit/Source/core/html/TextControlElement.cpp

Index: third_party/WebKit/Source/core/html/TextControlElement.cpp
diff --git a/third_party/WebKit/Source/core/html/TextControlElement.cpp b/third_party/WebKit/Source/core/html/TextControlElement.cpp
index a70ced7f90d83addaaf62d0ac36d22022a715cfb..71f4a9b9875c9e79e5d704c481f5cc63629c7c75 100644
--- a/third_party/WebKit/Source/core/html/TextControlElement.cpp
+++ b/third_party/WebKit/Source/core/html/TextControlElement.cpp
@@ -369,7 +369,7 @@ unsigned TextControlElement::IndexForPosition(HTMLElement* inner_editor,
     return 0;
 
   unsigned index = 0;
-  Node* start_node = passed_position.ComputeNodeBeforePosition();
+  const Node* start_node = passed_position.ComputeNodeBeforePosition();
   if (!start_node)
     start_node = passed_position.ComputeContainerNode();
   if (start_node == inner_editor && passed_position.IsAfterAnchor())
@@ -377,7 +377,7 @@ unsigned TextControlElement::IndexForPosition(HTMLElement* inner_editor,
   DCHECK(start_node);
   DCHECK(inner_editor->contains(start_node));
 
-  for (Node* node = start_node; node;
+  for (const Node* node = start_node; node;
        node = NodeTraversal::Previous(*node, inner_editor)) {
     if (node->IsTextNode()) {
       int length = ToText(*node).length();