| Index: ui/views/widget/native_widget_delegate.h | 
| diff --git a/ui/views/widget/native_widget_delegate.h b/ui/views/widget/native_widget_delegate.h | 
| index 033db2bf10715b90accab02239904e9104075dba..e6c3b84ea042a36eb5ad1deb1ed3c6782f4eb9bd 100644 | 
| --- a/ui/views/widget/native_widget_delegate.h | 
| +++ b/ui/views/widget/native_widget_delegate.h | 
| @@ -97,6 +97,9 @@ class VIEWS_EXPORT NativeWidgetDelegate { | 
| // e.g. maximize. | 
| virtual void OnNativeWidgetSizeChanged(const gfx::Size& new_size) = 0; | 
|  | 
| +  // Called when NativeWidget changed workspaces. | 
| +  virtual void OnNativeWidgetWorkspaceChanged() = 0; | 
| + | 
| // Called when the NativeWidget changes its window state. | 
| // This may happen at the same time as OnNativeWidgetSizeChanged, e.g. | 
| // maximize. | 
|  |