views: call UpdateAfterChange() in Textfield::InsertOrReplaceText().

ui/views/controls/textfield/textfield.h

Index: ui/views/controls/textfield/textfield.h
diff --git a/ui/views/controls/textfield/textfield.h b/ui/views/controls/textfield/textfield.h
index c6dd5c11eaa2def01c015a62a224062858bb2549..3a588437e9f7e15fe22b9340e2873190cbd4ceb8 100644
--- a/ui/views/controls/textfield/textfield.h
+++ b/ui/views/controls/textfield/textfield.h
@@ -319,6 +319,9 @@ class VIEWS_EXPORT Textfield : public View,
   // Executes the given |command|.
   virtual void ExecuteTextEditCommand(ui::TextEditCommand command);
 
+  // Does necessary updates when the text and/or cursor position changes.
+  void UpdateAfterChange(bool text_changed, bool cursor_changed);
+
  private:
   friend class TextfieldTestApi;
 
@@ -337,9 +340,6 @@ class VIEWS_EXPORT Textfield : public View,
   // Updates the painted background color.
   void UpdateBackgroundColor();
 
-  // Does necessary updates when the text and/or cursor position changes.
-  void UpdateAfterChange(bool text_changed, bool cursor_changed);
-
   // A callback function to periodically update the cursor state.
   void UpdateCursor();