Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING

components/scheduler/renderer/renderer_scheduler_impl.cc

 // Copyright 2014 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/renderer_scheduler_impl.h"
 
 #include "base/bind.h"
 #include "base/debug/stack_trace.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 1391 matching lines @@
 
 void RendererSchedulerImpl::OnQueueingTimeForWindowEstimated(
     base::TimeDelta queueing_time) {
   UMA_HISTOGRAM_TIMES("RendererScheduler.ExpectedTaskQueueingDuration",
                       queueing_time);
   TRACE_COUNTER1(TRACE_DISABLED_BY_DEFAULT("renderer.scheduler"),
                  "estimated_queueing_time_for_window",
                  queueing_time.InMillisecondsF());
 }
 
+void RendererSchedulerImpl::SetPerThreadTaskRunnerTimeDomain(

[Sami, 2016/07/28 10:46:34]

The next policy update can overwrite these settings. Should we instead make
virtual time be more of a global mode for the entire scheduler so it knows how
to set the appropriate time domains?

[alex clarke (OOO till 29th), 2016/07/29 13:35:01]

Done.

+    TimeDomain* time_domain) {
+  DefaultTaskRunner()->SetTimeDomain(time_domain);
+  CompositorTaskRunner()->SetTimeDomain(time_domain);
+  LoadingTaskRunner()->SetTimeDomain(time_domain);
+  TimerTaskRunner()->SetTimeDomain(time_domain);
+}
+
 // static
 const char* RendererSchedulerImpl::UseCaseToString(UseCase use_case) {
   switch (use_case) {
     case UseCase::NONE:
       return "none";
     case UseCase::COMPOSITOR_GESTURE:
       return "compositor_gesture";
     case UseCase::MAIN_THREAD_CUSTOM_INPUT_HANDLING:
       return "main_thread_custom_input_handling";
     case UseCase::SYNCHRONIZED_GESTURE:
@@ skipping 21 matching lines @@
       return "idle";
     case v8::PERFORMANCE_LOAD:
       return "load";
     default:
       NOTREACHED();
       return nullptr;
   }
 }
 
 }  // namespace scheduler