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

cc/debug/frame_timing_tracker.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 "cc/debug/frame_timing_tracker.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
 
+#include "base/memory/ptr_util.h"
 #include "base/metrics/histogram.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/proxy.h"
 
 namespace cc {
 namespace {
 int kSendTimingIntervalMS = 200;
 }
 
 FrameTimingTracker::CompositeTimingEvent::CompositeTimingEvent(
     int _frame_id,
     base::TimeTicks _timestamp)
     : frame_id(_frame_id), timestamp(_timestamp) {
 }
 
 FrameTimingTracker::CompositeTimingEvent::~CompositeTimingEvent() {
 }
 
 FrameTimingTracker::MainFrameTimingEvent::MainFrameTimingEvent(
     int frame_id,
     base::TimeTicks timestamp,
     base::TimeTicks end_time)
     : frame_id(frame_id), timestamp(timestamp), end_time(end_time) {
 }
 
 FrameTimingTracker::MainFrameTimingEvent::~MainFrameTimingEvent() {
 }
 
 // static
-scoped_ptr<FrameTimingTracker> FrameTimingTracker::Create(
+std::unique_ptr<FrameTimingTracker> FrameTimingTracker::Create(
     LayerTreeHostImpl* layer_tree_host_impl) {
-  return make_scoped_ptr(new FrameTimingTracker(layer_tree_host_impl));
+  return base::WrapUnique(new FrameTimingTracker(layer_tree_host_impl));
 }
 
 FrameTimingTracker::FrameTimingTracker(LayerTreeHostImpl* layer_tree_host_impl)
     : layer_tree_host_impl_(layer_tree_host_impl),
       post_events_notifier_(
           layer_tree_host_impl_->GetTaskRunner(),
           base::Bind(&FrameTimingTracker::PostEvents, base::Unretained(this)),
           base::TimeDelta::FromMilliseconds(kSendTimingIntervalMS)) {}
 
 FrameTimingTracker::~FrameTimingTracker() {
@@ skipping 21 matching lines @@
     main_frame_events_.reset(new MainFrameTimingSet);
   for (const auto& request : request_ids) {
     std::vector<MainFrameTimingEvent>& events = (*main_frame_events_)[request];
     events.push_back(
         MainFrameTimingEvent(source_frame_number, main_frame_time, end_time));
   }
   if (!post_events_notifier_.HasPendingNotification())
     post_events_notifier_.Schedule();
 }
 
-scoped_ptr<FrameTimingTracker::CompositeTimingSet>
+std::unique_ptr<FrameTimingTracker::CompositeTimingSet>
 FrameTimingTracker::GroupCompositeCountsByRectId() {
   if (!composite_events_)
-    return make_scoped_ptr(new CompositeTimingSet);
+    return base::WrapUnique(new CompositeTimingSet);
   for (auto& infos : *composite_events_) {
     std::sort(
         infos.second.begin(), infos.second.end(),
         [](const CompositeTimingEvent& lhs, const CompositeTimingEvent& rhs) {
           return lhs.timestamp < rhs.timestamp;
         });
   }
   return std::move(composite_events_);
 }
 
-scoped_ptr<FrameTimingTracker::MainFrameTimingSet>
+std::unique_ptr<FrameTimingTracker::MainFrameTimingSet>
 FrameTimingTracker::GroupMainFrameCountsByRectId() {
   if (!main_frame_events_)
-    return make_scoped_ptr(new MainFrameTimingSet);
+    return base::WrapUnique(new MainFrameTimingSet);
   for (auto& infos : *main_frame_events_) {
     std::sort(
         infos.second.begin(), infos.second.end(),
         [](const MainFrameTimingEvent& lhs, const MainFrameTimingEvent& rhs) {
           return lhs.timestamp < rhs.timestamp;
         });
   }
   return std::move(main_frame_events_);
 }
 
 void FrameTimingTracker::PostEvents() {
   layer_tree_host_impl_->PostFrameTimingEvents(GroupCompositeCountsByRectId(),
                                                GroupMainFrameCountsByRectId());
 }
 
 }  // namespace cc