Refactor Textfield and AutocompleteEditViewViews.

views/controls/textfield/textfield.h

 // Copyright (c) 2011 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 VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #define VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 71 matching lines @@
 
   // Returns the text that is currently selected.
   string16 GetSelectedText() const;
 
   // Causes the edit field to be fully selected.
   void SelectAll();
 
   // Clears the selection within the edit field and sets the caret to the end.
   void ClearSelection() const;
 
+  // Checks if there is any selected text.
+  bool HasSelection() const;
+
   // Accessor for |style_|.
   StyleFlags style() const { return style_; }
 
   // Gets/Sets the text color to be used when painting the Textfield.
   // Call |UseDefaultTextColor| to return to the system default colors.
   SkColor text_color() const { return text_color_; }
   void SetTextColor(SkColor color);
 
   // Gets/Sets whether the default text color should be used when painting the
   // Textfield.
@@ skipping 179 matching lines @@
 
   // The accessible name of the text field.
   string16 accessible_name_;
 
   DISALLOW_COPY_AND_ASSIGN(Textfield);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_