Give up focus if the focused view becomes unfocusable

ui/views/controls/link.cc

 // 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.
 
 #include "ui/views/controls/link.h"
 
 #include "build/build_config.h"
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 187 matching lines @@
   SetEnabledColor(GetDefaultEnabledColor());
 #if defined(OS_WIN)
   SetDisabledColor(color_utils::GetSysSkColor(COLOR_WINDOWTEXT));
   SetPressedColor(SkColorSetRGB(200, 0, 0));
 #else
   // TODO(beng): source from theme provider.
   SetDisabledColor(SK_ColorBLACK);
   SetPressedColor(SK_ColorRED);
 #endif
   RecalculateFont();
-  set_focusable(true);
+  SetFocusable(true);
 }
 
 void Link::SetPressed(bool pressed) {
   if (pressed_ != pressed) {
     pressed_ = pressed;
     Label::SetEnabledColor(pressed_ ?
         requested_pressed_color_ : requested_enabled_color_);
     RecalculateFont();
     SchedulePaint();
   }
 }
 
 void Link::RecalculateFont() {
   // Underline the link iff it is enabled and |underline_| is true.
   const int style = font().GetStyle();
   const int intended_style = (enabled() && underline_) ?
       (style | gfx::Font::UNDERLINE) : (style & ~gfx::Font::UNDERLINE);
   if (style != intended_style)
     Label::SetFont(font().DeriveFont(0, intended_style));
 }
 
 }  // namespace views