Teach cc::LayerTreeSettings to produce cc::SchedulerSettings

cc/trees/layer_tree_settings.cc

Index: cc/trees/layer_tree_settings.cc
diff --git a/cc/trees/layer_tree_settings.cc b/cc/trees/layer_tree_settings.cc
index 96c9d16168a16e1948c1fc2825de702ef88d6487..d10a1417eec7ac4eb6e0a872d5eed45fac24fa02 100644
--- a/cc/trees/layer_tree_settings.cc
+++ b/cc/trees/layer_tree_settings.cc
@@ -75,4 +75,24 @@ LayerTreeSettings::LayerTreeSettings()
 
 LayerTreeSettings::~LayerTreeSettings() {}
 
+SchedulerSettings LayerTreeSettings::ToSchedulerSettings() const {
+  SchedulerSettings scheduler_settings;
+  scheduler_settings.use_external_begin_frame_source =
+      use_external_begin_frame_source;
+  scheduler_settings.main_frame_before_activation_enabled =
+      main_frame_before_activation_enabled;
+  scheduler_settings.impl_side_painting = impl_side_painting;
+  scheduler_settings.timeout_and_draw_when_animation_checkerboards =
+      timeout_and_draw_when_animation_checkerboards;
+  scheduler_settings.maximum_number_of_failed_draws_before_draw_is_forced_ =
+      maximum_number_of_failed_draws_before_draw_is_forced_;
+  scheduler_settings.using_synchronous_renderer_compositor =
+      using_synchronous_renderer_compositor;
+  scheduler_settings.throttle_frame_production = throttle_frame_production;
+  scheduler_settings.main_thread_should_always_be_low_latency = false;
+  scheduler_settings.background_frame_interval =
+      base::TimeDelta::FromSecondsD(1.0 / background_animation_rate);
+  return scheduler_settings;
+}
+
 }  // namespace cc