[scheduler] Use Finch to control background throttling.

third_party/WebKit/Source/platform/scheduler/renderer/renderer_web_scheduler_impl.h

Index: third_party/WebKit/Source/platform/scheduler/renderer/renderer_web_scheduler_impl.h
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_web_scheduler_impl.h b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_web_scheduler_impl.h
index 09113a35cd703b6e5a66212a34d3ffe46edf1113..0f742ae3a275c33da72bd4111d801dc128ba6993 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/renderer_web_scheduler_impl.h
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/renderer_web_scheduler_impl.h
@@ -8,6 +8,8 @@
 #include "platform/scheduler/child/web_scheduler_impl.h"
 
 namespace blink {
+class WebSettingsImpl;
+
 namespace scheduler {
 
 class RendererSchedulerImpl;
@@ -22,7 +24,8 @@ class BLINK_PLATFORM_EXPORT RendererWebSchedulerImpl : public WebSchedulerImpl {
   void suspendTimerQueue() override;
   void resumeTimerQueue() override;
   std::unique_ptr<WebViewScheduler> createWebViewScheduler(
-      InterventionReporter* intervention_reporter) override;
+      InterventionReporter* intervention_reporter,
+      WebSettingsImpl* web_settings) override;
   void onNavigationStarted() override;
 
  private: