Implement clipboard features in views textfield.

views/controls/textfield/native_textfield_views.h

 // Copyright (c) 2010 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"
 #include "gfx/font.h"
 #include "views/border.h"
 #include "views/controls/textfield/native_textfield_wrapper.h"
 #include "views/view.h"
 
 namespace gfx {
 class Canvas;
 }  // namespace
 
 namespace views {
 
 class KeyEvent;
 class TextfieldViewsModel;
 
 // A views/skia only implementation of NativeTextfieldWrapper.
 // No platform specific code is used.
 // Following features are not yet supported.
 // * BIDI
-// * Clipboard  (Cut & Paste).
 // * Context Menu.
 // * IME/i18n support.
 // * X selection (only if we want to support).
 // * STYLE_MULTILINE, STYLE_LOWERCASE text. (These are not used in
 //   chromeos, so we may not need them)
 // * Double click to select word, and triple click to select all.
 // * Undo/Redo
 class NativeTextfieldViews : public views::View,
                              public NativeTextfieldWrapper {
  public:
@@ skipping 128 matching lines @@
 
   // A runnable method factory for callback to update the cursor.
   ScopedRunnableMethodFactory<NativeTextfieldViews> cursor_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTextfieldViews);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_