Use the new unified toolbar implementation in examples on OS X.

Change-Id: Ica3476d16a4baab1f75e253eb406505f88018d47
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>

examples/network/torrent/mainwindow.cpp

@@ -173,6 +173,10 @@ MainWindow::MainWindow(QWidget *parent)
     bottomBar->addWidget((uploadLimitLabel = new QLabel(tr("0 KB/s"))));
     uploadLimitLabel->setFixedSize(QSize(fm.width(tr("99999 KB/s")), fm.lineSpacing()));
 
+#ifdef Q_OS_OSX
+    setUnifiedTitleAndToolBarOnMac(true);
+#endif
+
     // Set up connections
     connect(torrentView, SIGNAL(itemSelectionChanged()),
             this, SLOT(setActionsEnabled()));

examples/widgets/mainwindows/mainwindow/mainwindow.cpp

@@ -109,6 +109,10 @@ void MainWindow::actionTriggered(QAction *action)
 
 void MainWindow::setupToolBar()
 {
+#ifdef Q_OS_OSX
+    setUnifiedTitleAndToolBarOnMac(true);
+#endif
+
     for (int i = 0; i < 3; ++i) {
         ToolBar *tb = new ToolBar(QString::fromLatin1("Tool Bar %1").arg(i + 1), this);
         toolBars.append(tb);

examples/widgets/richtext/textedit/textedit.cpp

@@ -78,6 +78,10 @@ const QString rsrcPath = ":/images/win";
 TextEdit::TextEdit(QWidget *parent)
     : QMainWindow(parent)
 {
+#ifdef Q_OS_OSX
+    setUnifiedTitleAndToolBarOnMac(true);
+#endif
+
     setToolButtonStyle(Qt::ToolButtonFollowStyle);
     setupFileActions();
     setupEditActions();