Revert 245433 "Linux Aura: Added --use-system-title-bar flag."

trunk/src/chrome/browser/ui/views/apps/native_app_window_views.cc

Index: trunk/src/chrome/browser/ui/views/apps/native_app_window_views.cc
===================================================================
--- trunk/src/chrome/browser/ui/views/apps/native_app_window_views.cc	(revision 245469)
+++ trunk/src/chrome/browser/ui/views/apps/native_app_window_views.cc	(working copy)
@@ -256,12 +256,6 @@
   views::Widget::InitParams init_params(views::Widget::InitParams::TYPE_WINDOW);
   init_params.delegate = this;
   init_params.remove_standard_frame = ShouldUseChromeStyleFrame();
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
-  // On Linux, remove the standard frame. Instead, we will use CustomFrameView
-  // to draw a native-like frame.
-  // TODO(mgiuca): Remove this during fix for http://crbug.com/322256.
-  init_params.remove_standard_frame = true;
-#endif
   init_params.use_system_default_icon = true;
   // TODO(erg): Conceptually, these are toplevel windows, but we theoretically
   // could plumb context through to here in some cases.