cc: Remove redundant is_overlay arguments

cc/output/overlay_strategy_single_on_top.h

Index: cc/output/overlay_strategy_single_on_top.h
diff --git a/cc/output/overlay_strategy_single_on_top.h b/cc/output/overlay_strategy_single_on_top.h
index e2991e48db42fda7f1f696de6b11eedc3c1c5cb5..bdf2cc2f59b522d2bf0f13c24eaf84663f90b77c 100644
--- a/cc/output/overlay_strategy_single_on_top.h
+++ b/cc/output/overlay_strategy_single_on_top.h
@@ -17,11 +17,12 @@ class CC_EXPORT OverlayStrategySingleOnTop : public OverlayProcessor::Strategy {
       OverlayCandidateValidator* capability_checker);
   ~OverlayStrategySingleOnTop() override;
 
-  bool Attempt(RenderPassList* render_passes,
+  bool Attempt(ResourceProvider* resource_provider,
+               RenderPassList* render_passes,
                OverlayCandidateList* candidate_list) override;
 
  private:
-  bool TryOverlay(QuadList& quad_list,
+  bool TryOverlay(QuadList* quad_list,
                   OverlayCandidateList* candidate_list,
                   const OverlayCandidate& candidate,
                   QuadList::Iterator candidate_iterator);