VideoSurfaceLayer: set deadline to 0 for surface while not showing something.

Bug: 862358
Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_slimming_paint_v2;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I69053e71606a26a0ee7b517768456edbb75120a0
Reviewed-on: https://chromium-review.googlesource.com/1146905Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Fady Samuel <fsamuel@chromium.org>
Commit-Queue: Mounir Lamouri <mlamouri@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577276}

third_party/blink/renderer/platform/graphics/surface_layer_bridge.cc

@@ -78,8 +78,8 @@ void SurfaceLayerBridge::OnFirstSurfaceActivation(
 
   current_surface_id_ = surface_info.id();
 
-  surface_layer_->SetPrimarySurfaceId(surface_info.id(),
-                                      cc::DeadlinePolicy::UseDefaultDeadline());
+  surface_layer_->SetPrimarySurfaceId(
+      surface_info.id(), cc::DeadlinePolicy::UseSpecifiedDeadline(0u));
   surface_layer_->SetFallbackSurfaceId(surface_info.id());
 
   if (observer_) {