Add TextRange and related methods to Textfield Views.

views/controls/textfield/native_textfield_views.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_NATIVE_TEXTFIELD_VIEWS_H_
 #define VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_
 #pragma once
 
 #include "base/string16.h"
 #include "base/task.h"
@@ skipping 63 matching lines @@
   virtual void UpdateFont();
   virtual void UpdateIsPassword();
   virtual void UpdateEnabled();
   virtual gfx::Insets CalculateInsets();
   virtual void UpdateHorizontalMargins();
   virtual void UpdateVerticalMargins();
   virtual bool SetFocus();
   virtual View* GetView();
   virtual gfx::NativeView GetTestingHandle() const;
   virtual bool IsIMEComposing() const;
+  virtual void GetSelectedRange(TextRange* range) const;
+  virtual void SelectRange(const TextRange& range);
+  virtual size_t GetCursorPosition() const;
   virtual bool HandleKeyPressed(const views::KeyEvent& e);
   virtual bool HandleKeyReleased(const views::KeyEvent& e);
   virtual void HandleWillGainFocus();
   virtual void HandleDidGainFocus();
   virtual void HandleWillLoseFocus();
 
   // ui::SimpleMenuModel::Delegate overrides
   virtual bool IsCommandIdChecked(int command_id) const;
   virtual bool IsCommandIdEnabled(int command_id) const;
   virtual bool GetAcceleratorForCommandId(int command_id,
@@ skipping 99 matching lines @@
   // Context menu and its content list for the textfield.
   scoped_ptr<ui::SimpleMenuModel> context_menu_contents_;
   scoped_ptr<Menu2> context_menu_menu_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTextfieldViews);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_