gtk: Change GTK_DIALOG(dialog)->vbox to gtk_dialog_get_content_area().

chrome/browser/ui/gtk/js_modal_dialog_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 "chrome/browser/ui/gtk/js_modal_dialog_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
@@ skipping 79 matching lines @@
       UTF16ToUTF8(dialog_->message_text()).c_str());
   g_signal_connect(gtk_dialog_, "delete-event",
                    G_CALLBACK(gtk_widget_hide_on_delete), NULL);
   gtk_util::ApplyMessageDialogQuirks(gtk_dialog_);
   gtk_window_set_title(GTK_WINDOW(gtk_dialog_),
                        UTF16ToUTF8(dialog_->title()).c_str());
 
   // Adjust content area as needed.  Set up the prompt text entry or
   // suppression check box.
   if (ui::MessageBoxFlags::kIsJavascriptPrompt == dialog_->dialog_flags()) {
-    // TODO(tc): Replace with gtk_dialog_get_content_area() when using GTK 2.14+
-    GtkWidget* contents_vbox = GTK_DIALOG(gtk_dialog_)->vbox;
+    GtkWidget* content_area =
+        gtk_dialog_get_content_area(GTK_DIALOG(gtk_dialog_));
     GtkWidget* text_box = gtk_entry_new();
     gtk_entry_set_text(GTK_ENTRY(text_box),
         UTF16ToUTF8(dialog_->default_prompt_text()).c_str());
-    gtk_box_pack_start(GTK_BOX(contents_vbox), text_box, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(content_area), text_box, TRUE, TRUE, 0);
     g_object_set_data(G_OBJECT(gtk_dialog_), kPromptTextId, text_box);
     gtk_entry_set_activates_default(GTK_ENTRY(text_box), TRUE);
   }
 
   if (dialog_->display_suppress_checkbox()) {
-    GtkWidget* contents_vbox = GTK_DIALOG(gtk_dialog_)->vbox;
+    GtkWidget* content_area =
+        gtk_dialog_get_content_area(GTK_DIALOG(gtk_dialog_));
     GtkWidget* check_box = gtk_check_button_new_with_label(
         l10n_util::GetStringUTF8(
         IDS_JAVASCRIPT_MESSAGEBOX_SUPPRESS_OPTION).c_str());
-    gtk_box_pack_start(GTK_BOX(contents_vbox), check_box, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(content_area), check_box, TRUE, TRUE, 0);
     g_object_set_data(G_OBJECT(gtk_dialog_), kSuppressCheckboxId, check_box);
   }
 
   // Adjust buttons/action area as needed.
   if (dialog_->is_before_unload_dialog()) {
     std::string button_text = l10n_util::GetStringUTF8(
       IDS_BEFOREUNLOAD_MESSAGEBOX_OK_BUTTON_LABEL);
     gtk_dialog_add_button(GTK_DIALOG(gtk_dialog_), button_text.c_str(),
         GTK_RESPONSE_OK);
 
@@ skipping 90 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeAppModalDialog, public:
 
 // static
 NativeAppModalDialog* NativeAppModalDialog::CreateNativeJavaScriptPrompt(
     JavaScriptAppModalDialog* dialog,
     gfx::NativeWindow parent_window) {
   return new JSModalDialogGtk(dialog, parent_window);
 }