views: Add OnEnabledChanged() method to View class.

views/controls/link.cc

 // 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.
 
 #include "views/controls/link.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_LINUX)
 #include <gdk/gdk.h>
@@ skipping 70 matching lines @@
 
 void Link::Init() {
   GetColors(NULL, &highlighted_color_, &disabled_color_, &normal_color_);
   SetColor(normal_color_);
   ValidateStyle();
 }
 
 Link::~Link() {
 }
 
-void Link::SetEnabled(bool flag) {
-  if (flag != enabled_) {
-    enabled_ = flag;
-    ValidateStyle();
-    SchedulePaint();
-  }
+void Link::OnEnabledChanged() {
+  ValidateStyle();
+  SchedulePaint();
 }
 
 std::string Link::GetClassName() const {
   return kViewClassName;
 }
 
 gfx::NativeCursor Link::GetCursor(const MouseEvent& event) {
   if (!enabled_)
     return NULL;
 #if defined(OS_WIN)
@@ skipping 107 matching lines @@
   } else {
     if (font().GetStyle() & gfx::Font::UNDERLINED) {
       Label::SetFont(
           font().DeriveFont(0, font().GetStyle() & ~gfx::Font::UNDERLINED));
     }
     Label::SetColor(disabled_color_);
   }
 }
 
 }  // namespace views