cc: Add command line for frame production throttle

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 80e356e0c3a80fa5e71602242a7c0df12a1a4d66..c78f19a78271c54cc4a27e829f2e08d2dfbd3d82 100644
--- a/cc/trees/layer_tree_settings.cc
+++ b/cc/trees/layer_tree_settings.cc
@@ -75,7 +75,8 @@ LayerTreeSettings::LayerTreeSettings()
       verify_property_trees(false),
       gather_pixel_refs(false),
       use_compositor_animation_timelines(false),
-      invert_viewport_scroll_order(false) {
+      invert_viewport_scroll_order(false),
+      throttle_frame_production(true) {
 }
 
 LayerTreeSettings::~LayerTreeSettings() {}
@@ -93,8 +94,9 @@ SchedulerSettings LayerTreeSettings::ToSchedulerSettings() const {
       maximum_number_of_failed_draws_before_draw_is_forced_;
   scheduler_settings.using_synchronous_renderer_compositor =
       using_synchronous_renderer_compositor;
-  scheduler_settings.throttle_frame_production =
-      !renderer_settings.disable_gpu_vsync;
+
+  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);