Prepare for per-webview virtual time

components/scheduler/renderer/renderer_scheduler.cc

Index: components/scheduler/renderer/renderer_scheduler.cc
diff --git a/components/scheduler/renderer/renderer_scheduler.cc b/components/scheduler/renderer/renderer_scheduler.cc
index f2d684f8eda5f3b53b288c30c7113867634228f1..2910951d38137256ea4ce47279b88c88f6dff2be 100644
--- a/components/scheduler/renderer/renderer_scheduler.cc
+++ b/components/scheduler/renderer/renderer_scheduler.cc
@@ -12,7 +12,6 @@
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_impl.h"
 #include "components/scheduler/child/scheduler_tqm_delegate_impl.h"
-#include "components/scheduler/child/virtual_time_tqm_delegate.h"
 #include "components/scheduler/common/scheduler_switches.h"
 #include "components/scheduler/renderer/renderer_scheduler_impl.h"
 
@@ -39,16 +38,10 @@ scoped_ptr<RendererScheduler> RendererScheduler::Create() {
   base::trace_event::TraceLog::GetCategoryGroupEnabled(
       TRACE_DISABLED_BY_DEFAULT("renderer.scheduler.debug"));
 
-  scoped_ptr<RendererSchedulerImpl> scheduler;
   base::MessageLoop* message_loop = base::MessageLoop::current();
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kEnableVirtualizedTime)) {
-    scheduler.reset(new RendererSchedulerImpl(
-        VirtualTimeTqmDelegate::Create(message_loop, base::TimeTicks::Now())));
-  } else {
-    scheduler.reset(new RendererSchedulerImpl(SchedulerTqmDelegateImpl::Create(
-        message_loop, make_scoped_ptr(new base::DefaultTickClock()))));
-  }
+  scoped_ptr<RendererSchedulerImpl> scheduler(
+      new RendererSchedulerImpl(SchedulerTqmDelegateImpl::Create(
+          message_loop, make_scoped_ptr(new base::DefaultTickClock()))));
 
   // Runtime features are not currently available in html_viewer.
   if (base::FeatureList::GetInstance()) {