Views:: Make Labels support text selection.

ui/views/controls/link.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_LINK_H_
 #define UI_VIEWS_CONTROLS_LINK_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 33 matching lines @@
   void OnGestureEvent(ui::GestureEvent* event) override;
   bool SkipDefaultKeyEventProcessing(const ui::KeyEvent& event) override;
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
   void OnEnabledChanged() override;
   void OnFocus() override;
   void OnBlur() override;
   void SetFontList(const gfx::FontList& font_list) override;
   void SetText(const base::string16& text) override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
   void SetEnabledColor(SkColor color) override;
+  bool IsSelectionSupported() const override;
 
   // TODO(estade): almost all the places that call this pass false. With
   // Harmony, false is already the default so those callsites can be removed.
   void SetUnderline(bool underline);
 
   static const char kViewClassName[];
 
  private:
   void Init();
 
@@ skipping 21 matching lines @@
   // The color when the link is pressed.
   SkColor requested_pressed_color_;
   bool requested_pressed_color_set_;
 
   DISALLOW_COPY_AND_ASSIGN(Link);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_LINK_H_