Fix: Cursor missing in omnibox after entering a alphabet in NTP 'Search box'

ui/views/controls/textfield/textfield.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 352 matching lines @@
 
   // Updates the painted background color.
   void UpdateBackgroundColor();
 
   // Updates the border per the state of |invalid_|.
   void UpdateBorder();
 
   // Does necessary updates when the text and/or cursor position changes.
   void UpdateAfterChange(bool text_changed, bool cursor_changed);
 
+  // Updates cursor visibility and blinks the cursor if needed.
+  void ShowCursor();
+
   // A callback function to periodically update the cursor node_data.
-  void UpdateCursor();
+  void UpdateCursorVisibility();
 
   // Update the cursor position in the text field.
-  void UpdateCursorView();
+  void UpdateCursorViewPosition();
 
   void PaintTextAndCursor(gfx::Canvas* canvas);
 
   // Helper function to call MoveCursorTo on the TextfieldModel.
   void MoveCursorTo(const gfx::Point& point, bool select);
 
   // Convenience method to notify the InputMethod and TouchSelectionController.
   void OnCaretBoundsChanged();
 
   // Convenience method to call TextfieldController::OnBeforeUserAction();
@@ skipping 141 matching lines @@
 
   // Used to bind callback functions to this object.
   base::WeakPtrFactory<Textfield> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Textfield);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_