Suspend more task queues for background renderers (experimental)

components/scheduler/renderer/renderer_scheduler_impl.h

Index: components/scheduler/renderer/renderer_scheduler_impl.h
diff --git a/components/scheduler/renderer/renderer_scheduler_impl.h b/components/scheduler/renderer/renderer_scheduler_impl.h
index 2ec8887409e32dc0cde3f10e0c1f86a65b0a13b4..50b4642766fa96b2773b46a78ee293441256e64c 100644
--- a/components/scheduler/renderer/renderer_scheduler_impl.h
+++ b/components/scheduler/renderer/renderer_scheduler_impl.h
@@ -155,12 +155,14 @@ class SCHEDULER_EXPORT RendererSchedulerImpl
     TaskQueuePolicy loading_queue_policy;
     TaskQueuePolicy timer_queue_policy;
     TaskQueuePolicy default_queue_policy;
+    TaskQueuePolicy control_queue_policy;
 
     bool operator==(const Policy& other) const {
       return compositor_queue_policy == other.compositor_queue_policy &&
              loading_queue_policy == other.loading_queue_policy &&
              timer_queue_policy == other.timer_queue_policy &&
-             default_queue_policy == other.default_queue_policy;
+             default_queue_policy == other.default_queue_policy &&
+             control_queue_policy == other.control_queue_policy;
     }
   };
 
@@ -336,6 +338,7 @@ class SCHEDULER_EXPORT RendererSchedulerImpl
     bool renderer_backgrounded;
     bool timer_queue_suspension_when_backgrounded_enabled;
     bool timer_queue_suspended_when_backgrounded;
+    bool queue_suspended;

[Sami, 2016/05/27 14:08:57]

Maybe renderer_suspended would be a more descriptive name for this? Also maybe
move it together with the other renderer_* flags above.

[hajimehoshi, 2016/05/31 08:09:01]

Done.

     bool was_shutdown;
     bool loading_tasks_seem_expensive;
     bool timer_tasks_seem_expensive;