Mac: Flip fullscreen low power layer geometry

ui/accelerated_widget_mac/accelerated_widget_mac.h

 // Copyright 2014 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.
 
 #ifndef UI_ACCELERATED_WIDGET_MAC_ACCELERATED_WIDGET_MAC_H_
 #define UI_ACCELERATED_WIDGET_MAC_ACCELERATED_WIDGET_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <IOSurface/IOSurface.h>
 #include <vector>
@@ skipping 83 matching lines @@
   FullscreenLowPowerCoordinator* fslp_coordinator_ = nullptr;
 
   // A flipped layer, which acts as the parent of the compositing and software
   // layers. This layer is flipped so that the we don't need to recompute the
   // origin for sub-layers when their position changes (this is impossible when
   // using remote layers, as their size change cannot be synchronized with the
   // window). This indirection is needed because flipping hosted layers (like
   // |background_layer_| of RenderWidgetHostViewCocoa) leads to unpredictable
   // behavior.
   base::scoped_nsobject<CALayer> flipped_layer_;
+  base::scoped_nsobject<CALayer> fslp_flipped_layer_;
 
   // A CALayer with content provided by the output surface.
   base::scoped_nsobject<CALayer> content_layer_;
   base::scoped_nsobject<CALayer> fullscreen_low_power_layer_;
 
   // A CALayer that has its content set to an IOSurface.
   base::scoped_nsobject<CALayer> io_surface_layer_;
 
   // The size in DIP of the last swap received from |compositor_|.
   gfx::Size last_swap_size_dip_;
 
   DISALLOW_COPY_AND_ASSIGN(AcceleratedWidgetMac);
 };
 
 }  // namespace ui
 
 #endif  // UI_ACCELERATED_WIDGET_MAC_ACCELERATED_WIDGET_MAC_H_