Adds enableVirtualTime and setVirtualTimePolicy To Emulation domain.

components/scheduler/renderer/web_view_scheduler_impl.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/scheduler/renderer/web_view_scheduler_impl.h"
 
 #include "base/logging.h"
 #include "components/scheduler/base/virtual_time_domain.h"
 #include "components/scheduler/child/scheduler_tqm_delegate.h"
 #include "components/scheduler/renderer/auto_advancing_virtual_time_domain.h"
@@ skipping 94 matching lines @@
     return;
 
   allow_virtual_time_to_advance_ = allow_virtual_time_to_advance;
 
   if (virtual_time_domain_) {
     virtual_time_domain_->SetCanAdvanceVirtualTime(
         allow_virtual_time_to_advance);
   }
 }
 
+bool WebViewSchedulerImpl::virtualTimeAllowedToAdvance() const {
+  return allow_virtual_time_to_advance_;
+}
+
 }  // namespace scheduler