Mac: Add detection for low power video compatible frames

gpu/ipc/service/image_transport_surface_overlay_mac.mm

Index: gpu/ipc/service/image_transport_surface_overlay_mac.mm
diff --git a/gpu/ipc/service/image_transport_surface_overlay_mac.mm b/gpu/ipc/service/image_transport_surface_overlay_mac.mm
index 5bcc1473b15b1b89ffbd5b41970b54c164fed00b..1f8d25ad35b7ad48376e571f7ef4911ede02c3dd 100644
--- a/gpu/ipc/service/image_transport_surface_overlay_mac.mm
+++ b/gpu/ipc/service/image_transport_surface_overlay_mac.mm
@@ -176,7 +176,11 @@ gfx::SwapResult ImageTransportSurfaceOverlayMac::SwapBuffersInternal(
 
   base::TimeTicks finish_time = base::TimeTicks::Now();
 
-  ca_layer_tree_coordinator_->CommitPendingTreesToCA(pixel_damage_rect);
+  bool fullscreen_low_power_layer_valid = false;
+  ca_layer_tree_coordinator_->CommitPendingTreesToCA(
+      pixel_damage_rect, &fullscreen_low_power_layer_valid);
+  // TODO(ccameron): Plumb the fullscreen low power layer through to the
+  // appropriate window.
 
   // Update the latency info to reflect the swap time.
   for (auto latency_info : latency_info_) {