views: Add OnEnabledChanged() method to View class.

views/controls/native_control_gtk.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/native_control_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "ui/base/accessibility/accessibility_types.h"
@@ skipping 133 matching lines @@
 }
 
 NativeControlGtk::~NativeControlGtk() {
   if (native_view())
     gtk_widget_destroy(native_view());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeControlGtk, View overrides:
 
-void NativeControlGtk::SetEnabled(bool enabled) {
-  if (IsEnabled() != enabled) {
-    View::SetEnabled(enabled);
-    if (native_view())
-      gtk_widget_set_sensitive(native_view(), IsEnabled());
-  }
+void NativeControlGtk::OnEnabledChanged() {
+  View::OnEnabledChanged();
+  if (native_view())
+    gtk_widget_set_sensitive(native_view(), View::IsEnabled());
 }
 
 void NativeControlGtk::ViewHierarchyChanged(bool is_add, View* parent,
                                             View* child) {
   // Call the base class to hide the view if we're being removed.
   NativeViewHost::ViewHierarchyChanged(is_add, parent, child);
 
   if (!is_add && child == this && native_view()) {
     Detach();
   } else if (is_add && GetWidget() && !native_view()) {
@@ skipping 74 matching lines @@
     // options page is only based on views.
     // NOTREACHED();
     NOTIMPLEMENTED();
     return false;
   }
   focus_manager->SetFocusedView(control->focus_view());
   return false;
 }
 
 }  // namespace views