ozone: introduce OverlayCheckReturn_Params

ui/ozone/platform/drm/host/drm_overlay_manager.h

Index: ui/ozone/platform/drm/host/drm_overlay_manager.h
diff --git a/ui/ozone/platform/drm/host/drm_overlay_manager.h b/ui/ozone/platform/drm/host/drm_overlay_manager.h
index 8afad3bbef943f62d91213a8ed814ecc54934477..89f8b412a756b7ef82d68756c6476484fbadddf9 100644
--- a/ui/ozone/platform/drm/host/drm_overlay_manager.h
+++ b/ui/ozone/platform/drm/host/drm_overlay_manager.h
@@ -32,8 +32,10 @@ class DrmOverlayManager : public OverlayManagerOzone {
 
   // Communication-free implementations of actions performed in response to
   // messages from the GPU thread.
-  void GpuSentOverlayResult(gfx::AcceleratedWidget widget,
-                            const std::vector<OverlayCheck_Params>& params);
+  void GpuSentOverlayResult(
+      gfx::AcceleratedWidget widget,
+      const std::vector<OverlayCheck_Params>& params,
+      const std::vector<OverlayCheckReturn_Params>& returns);
 
   // Service method for DrmOverlayCandidatesHost
   void CheckOverlaySupport(
@@ -53,7 +55,9 @@ class DrmOverlayManager : public OverlayManagerOzone {
 
   // List of all OverlayCheck_Params which have been validated in GPU side.
   // Value is set to true if we are waiting for validation results from GPU.
-  base::MRUCache<std::vector<OverlayCheck_Params>, bool> cache_;
+  base::MRUCache<std::vector<OverlayCheck_Params>,
+                 std::vector<OverlayCheckReturn_Params>>
+      cache_;
 
   DISALLOW_COPY_AND_ASSIGN(DrmOverlayManager);
 };