| Index: cc/surfaces/display_scheduler.cc
 | 
| diff --git a/cc/surfaces/display_scheduler.cc b/cc/surfaces/display_scheduler.cc
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| index 033632ec9ca4919b3ce22e42b739213e6c21ba60..feb84ea542d199bae1ca229d3ae3f9a8f472709e 100644
 | 
| --- a/cc/surfaces/display_scheduler.cc
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| +++ b/cc/surfaces/display_scheduler.cc
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| @@ -33,6 +33,10 @@ DisplayScheduler::DisplayScheduler(DisplaySchedulerClient* client,
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|    begin_frame_source_->AddObserver(this);
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|    begin_frame_deadline_closure_ = base::Bind(
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|        &DisplayScheduler::OnBeginFrameDeadline, weak_ptr_factory_.GetWeakPtr());
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| +
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| +  // TODO(tansell): Set this to something useful.
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| +  begin_frame_source_for_children_ = SyntheticBeginFrameSource::Create(
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| +      task_runner, BeginFrameArgs::DefaultInterval());
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|  }
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|  
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|  DisplayScheduler::~DisplayScheduler() {
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| 
 |