views: Convert IsEnabled() to just enabled() since it's just a simple accessor.

ui/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 "ui/views/controls/native_control_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "ui/base/accessibility/accessibility_types.h"
 #include "ui/views/focus/focus_manager.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
 
 NativeControlGtk::NativeControlGtk() {
 }
 
 NativeControlGtk::~NativeControlGtk() {
   if (native_view())
     gtk_widget_destroy(native_view());
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeControlGtk, View overrides:
 
 void NativeControlGtk::OnEnabledChanged() {
   View::OnEnabledChanged();
   if (native_view())
-    gtk_widget_set_sensitive(native_view(), IsEnabled());
+    gtk_widget_set_sensitive(native_view(), enabled());
 }
 
 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 18 matching lines @@
   DCHECK(native_view());
   gtk_widget_grab_focus(native_view());
   GetWidget()->NotifyAccessibilityEvent(
       parent(), ui::AccessibilityTypes::EVENT_FOCUS, true);
 }
 
 void NativeControlGtk::NativeControlCreated(GtkWidget* native_control) {
   Attach(native_control);
 
   // Update the newly created GtkWidget with any resident enabled state.
-  gtk_widget_set_sensitive(native_view(), IsEnabled());
+  gtk_widget_set_sensitive(native_view(), enabled());
 
   // Listen for focus change event to update the FocusManager focused view.
   g_signal_connect(native_control, "focus-in-event",
                    G_CALLBACK(CallFocusIn), this);
 }
 
 // static
 gboolean NativeControlGtk::CallFocusIn(GtkWidget* gtk_widget,
                                        GdkEventFocus* event,
                                        NativeControlGtk* control) {
   Widget* widget = Widget::GetTopLevelWidgetForNativeView(gtk_widget);
   FocusManager* focus_manager = widget ? widget->GetFocusManager() : NULL;
   if (!focus_manager) {
     // TODO(jcampan): http://crbug.com/21378 Reenable this NOTREACHED() when the
     // options page is only based on views.
     // NOTREACHED();
     NOTIMPLEMENTED();
     return false;
   }
   focus_manager->SetFocusedView(control->focus_view());
   return false;
 }
 
 }  // namespace views