cc: Change the restrictions on overlays for video

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 e5518cc5c9b2557afc1867b172b32a7acdf13448..db8e4630c7092c2dc5318aaeb6a85843ad62fe57 100644
--- a/cc/output/overlay_strategy_single_on_top.h
+++ b/cc/output/overlay_strategy_single_on_top.h
@@ -23,6 +23,14 @@ class CC_EXPORT OverlayStrategySingleOnTop : public OverlayProcessor::Strategy {
                OverlayCandidateList* candidate_list) override;
 
  private:
+  bool IsOverlayQuad(const DrawQuad* draw_quad);
+  bool GetCandidateQuadInfo(const DrawQuad& draw_quad,
+                            OverlayCandidate* quad_info);
+
+  // Returns true if |draw_quad| will block quads underheath from becoming an

[danakj, 2015/01/21 23:30:33]

underneath

+  // overlay.
+  bool QuadBlocksOverlay(const DrawQuad* draw_quad);

[danakj, 2015/01/21 23:30:33]

nit: start with a verb: DoesQuadBlockOverlay

[achaulk, 2015/01/23 20:10:55]

Done.

+
   OverlayCandidateValidator* capability_checker_;
   ResourceProvider* resource_provider_;
   DISALLOW_COPY_AND_ASSIGN(OverlayStrategySingleOnTop);