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

ui/views/controls/textfield/native_textfield_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 <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include "ui/views/controls/textfield/native_textfield_gtk.h"
 
 #include "base/logging.h"
@@ skipping 157 matching lines @@
 
 void NativeTextfieldGtk::UpdateIsPassword() {
   if (!native_view())
     return;
   gtk_entry_set_visibility(GTK_ENTRY(native_view()), !textfield_->IsPassword());
 }
 
 void NativeTextfieldGtk::UpdateEnabled() {
   if (!native_view())
     return;
-  SetEnabled(textfield_->IsEnabled());
+  SetEnabled(textfield_->enabled());
 }
 
 gfx::Insets NativeTextfieldGtk::CalculateInsets() {
   if (!native_view())
     return gfx::Insets();
 
   GtkWidget* widget = native_view();
   gfx::Insets insets;
 
   GtkEntry* entry = GTK_ENTRY(widget);
@@ skipping 240 matching lines @@
 
 // static
 NativeTextfieldWrapper* NativeTextfieldWrapper::CreateWrapper(
     Textfield* field) {
   if (Widget::IsPureViews())
     return new NativeTextfieldViews(field);
   return new NativeTextfieldGtk(field);
 }
 
 }  // namespace views