Always use DirectCompositionSurfaceWin when using DirectComposition

gpu/ipc/service/direct_composition_surface_win.cc

Index: gpu/ipc/service/direct_composition_surface_win.cc
diff --git a/gpu/ipc/service/direct_composition_surface_win.cc b/gpu/ipc/service/direct_composition_surface_win.cc
index 9b75f9e4f7aa345b24d621ae0e072f10e9dca347..7f011fd8066a6068700f9161c2a35988dbb6bfa0 100644
--- a/gpu/ipc/service/direct_composition_surface_win.cc
+++ b/gpu/ipc/service/direct_composition_surface_win.cc
@@ -1013,10 +1013,20 @@ DirectCompositionSurfaceWin::~DirectCompositionSurfaceWin() {
 
 // static
 bool DirectCompositionSurfaceWin::AreOverlaysSupported() {
-  if (!HardwareSupportsOverlays())
-    return false;
+  static bool initialized;
+  static bool overlays_supported;
+  if (initialized)
+    return overlays_supported;
+
+  initialized = true;
+
+  overlays_supported =
+      HardwareSupportsOverlays() &&
+      base::FeatureList::IsEnabled(switches::kDirectCompositionOverlays);
 
-  return base::FeatureList::IsEnabled(switches::kDirectCompositionOverlays);
+  UMA_HISTOGRAM_BOOLEAN("GPU.DirectComposition.OverlaysSupported",
+                        overlays_supported);
+  return overlays_supported;
 }
 
 // static
@@ -1200,6 +1210,10 @@ bool DirectCompositionSurfaceWin::SupportsDCLayers() const {
   return true;
 }
 
+bool DirectCompositionSurfaceWin::UseOverlaysForVideo() const {
+  return AreOverlaysSupported();
+}
+
 bool DirectCompositionSurfaceWin::SetDrawRectangle(const gfx::Rect& rectangle) {
   if (root_surface_)
     return root_surface_->SetDrawRectangle(rectangle);