Linux Aura: Use system title bar is now set by preference, not flag.

ui/views/widget/widget.cc

 // Copyright (c) 2012 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 "ui/views/widget/widget.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 864 matching lines @@
     frame_type_ = ShouldUseNativeFrame() ? FRAME_TYPE_FORCE_CUSTOM :
         FRAME_TYPE_FORCE_NATIVE;
   } else {
     frame_type_ = frame_type_ == FRAME_TYPE_FORCE_CUSTOM ?
         FRAME_TYPE_FORCE_NATIVE : FRAME_TYPE_FORCE_CUSTOM;
   }
   FrameTypeChanged();
 }
 
 void Widget::FrameTypeChanged() {
-  native_widget_->FrameTypeChanged();
+  native_widget_->FrameTypeChanged(frame_type_);
 }
 
 const ui::Compositor* Widget::GetCompositor() const {
   return native_widget_->GetCompositor();
 }
 
 ui::Compositor* Widget::GetCompositor() {
   return native_widget_->GetCompositor();
 }
 
@@ skipping 535 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // internal::NativeWidgetPrivate, NativeWidget implementation:
 
 internal::NativeWidgetPrivate* NativeWidgetPrivate::AsNativeWidgetPrivate() {
   return this;
 }
 
 }  // namespace internal
 }  // namespace views