| Index: ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
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| diff --git a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
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| index 61b5ab9ec52fdf6bbe6beab8f2c547edd52fc3c9..8935db5b1a84aedf8bdbfa906c96645832bd82fe 100644
 | 
| --- a/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
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| +++ b/ui/views/widget/desktop_aura/desktop_window_tree_host_win.h
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| @@ -104,6 +104,7 @@ class VIEWS_EXPORT DesktopWindowTreeHostWin
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|    bool IsAnimatingClosed() const override;
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|    bool IsTranslucentWindowOpacitySupported() const override;
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|    void SizeConstraintsChanged() override;
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| +  bool ShouldUpdateWindowTransparency() const override;
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|  
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|    // Overridden from aura::WindowTreeHost:
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|    ui::EventSource* GetEventSource() override;
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| 
 |