Display skips swapping if overlays draw the damage

cc/output/direct_renderer.h

Index: cc/output/direct_renderer.h
diff --git a/cc/output/direct_renderer.h b/cc/output/direct_renderer.h
index 9c3db40dc2c0600f2a20f584cf702f2d7c25a8c6..d564874c2cfb7792ae96e4ea47a550296bd3657f 100644
--- a/cc/output/direct_renderer.h
+++ b/cc/output/direct_renderer.h
@@ -32,11 +32,11 @@ class CC_EXPORT DirectRenderer : public Renderer {
   void DecideRenderPassAllocationsForFrame(
       const RenderPassList& render_passes_in_draw_order) override;
   bool HasAllocatedResourcesForTesting(RenderPassId id) const override;
-  void DrawFrame(RenderPassList* render_passes_in_draw_order,
-                 float device_scale_factor,
-                 const gfx::Rect& device_viewport_rect,
-                 const gfx::Rect& device_clip_rect,
-                 bool disable_picture_quad_image_filtering) override;
+  DrawFrameResult DrawFrame(RenderPassList* render_passes_in_draw_order,
+                            float device_scale_factor,
+                            const gfx::Rect& device_viewport_rect,
+                            const gfx::Rect& device_clip_rect,
+                            bool disable_picture_quad_image_filtering) override;
 
   struct CC_EXPORT DrawingFrame {
     DrawingFrame();