Convert //cc from scoped_ptr to std::unique_ptr.

cc/scheduler/begin_frame_source.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 "cc/scheduler/begin_frame_source.h"
 
 #include <stddef.h>
 
 #include "base/auto_reset.h"
 #include "base/location.h"
@@ skipping 179 matching lines @@
 // SyntheticBeginFrameSource ---------------------------------------------
 SyntheticBeginFrameSource::SyntheticBeginFrameSource(
     base::SingleThreadTaskRunner* task_runner,
     base::TimeDelta initial_vsync_interval)
     : time_source_(
           DelayBasedTimeSource::Create(initial_vsync_interval, task_runner)) {
   time_source_->SetClient(this);
 }
 
 SyntheticBeginFrameSource::SyntheticBeginFrameSource(
-    scoped_ptr<DelayBasedTimeSource> time_source)
+    std::unique_ptr<DelayBasedTimeSource> time_source)
     : time_source_(std::move(time_source)) {
   time_source_->SetClient(this);
 }
 
 SyntheticBeginFrameSource::~SyntheticBeginFrameSource() {}
 
 void SyntheticBeginFrameSource::OnUpdateVSyncParameters(
     base::TimeTicks new_vsync_timebase,
     base::TimeDelta new_vsync_interval) {
   time_source_->SetTimebaseAndInterval(new_vsync_timebase, new_vsync_interval);
@@ skipping 46 matching lines @@
     base::trace_event::TracedValue* dict) const {
   dict->SetString("type", "SyntheticBeginFrameSource");
   BeginFrameSourceBase::AsValueInto(dict);
 
   dict->BeginDictionary("time_source");
   time_source_->AsValueInto(dict);
   dict->EndDictionary();
 }
 
 }  // namespace cc