Don't build a bunch of stuff on Aura, rather than ifdefing out code in it.

chrome/browser/automation/ui_controls_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/automation/ui_controls.h"
 
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 
 #include "base/bind.h"
@@ skipping 274 matching lines @@
     GtkWidget* gtk_widget = widget->GetNativeView();
     g_signal_connect(gtk_widget, "configure-event",
                      G_CALLBACK(&OnConfigure), widget);
     MessageLoop::current()->Run();
   }
 }
 #endif
 
 void MoveMouseToCenterAndPress(views::View* view, MouseButton button,
                                int state, const base::Closure& task) {
-#if defined(OS_LINUX) && !defined(USE_AURA)
+#if defined(OS_LINUX)
   // X is asynchronous and we need to wait until the window gets
   // resized to desired size.
   SynchronizeWidgetSize(view->GetWidget());
 #endif
 
   gfx::Point view_center(view->width() / 2, view->height() / 2);
   views::View::ConvertPointToScreen(view, &view_center);
   SendMouseMoveNotifyWhenDone(
       view_center.x(), view_center.y(),
       base::Bind(&ui_controls::ClickTask, button, state, task));
 }
 #else
 void MoveMouseToCenterAndPress(GtkWidget* widget,
                                MouseButton button,
                                int state,
                                const base::Closure& task) {
   gfx::Rect bounds = gtk_util::GetWidgetScreenBounds(widget);
   SendMouseMoveNotifyWhenDone(
       bounds.x() + bounds.width() / 2,
       bounds.y() + bounds.height() / 2,
       base::Bind(&ui_controls::ClickTask, button, state, task));
 }
 #endif
 
 }  // namespace ui_controls