Fix black screen when switching primary display without bounds change

ui/ozone/platform/drm/gpu/scanout_buffer.h

Index: ui/ozone/platform/drm/gpu/scanout_buffer.h
diff --git a/ui/ozone/platform/drm/gpu/scanout_buffer.h b/ui/ozone/platform/drm/gpu/scanout_buffer.h
index 36bd16aafc732766ead86dae7fcf00938a780ec8..28aa42df02157ed725c5cea0bdf109871b07fffd 100644
--- a/ui/ozone/platform/drm/gpu/scanout_buffer.h
+++ b/ui/ozone/platform/drm/gpu/scanout_buffer.h
@@ -32,6 +32,9 @@ class ScanoutBuffer : public base::RefCountedThreadSafe<ScanoutBuffer> {
   // Size of the buffer.
   virtual gfx::Size GetSize() const = 0;
 
+  // Device on which the buffer was created.
+  virtual const DrmDevice* GetDrmDevice() const = 0;
+
   virtual bool RequiresGlFinish() const = 0;
 
  protected: