Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/base/metrics/cast_metrics_helper.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 "chromecast/base/metrics/cast_metrics_helper.h"
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/location.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/user_metrics.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "chromecast/base/metrics/cast_histograms.h"
 #include "chromecast/base/metrics/grouped_histogram.h"
 
 namespace chromecast {
 namespace metrics {
 
 // A useful macro to make sure current member function runs on the valid thread.
 #define MAKE_SURE_THREAD(callback, ...)                                        \
   if (!task_runner_->BelongsToCurrentThread()) {                               \
     task_runner_->PostTask(FROM_HERE,                                          \
                            base::Bind(&CastMetricsHelper::callback,            \
                                       base::Unretained(this), ##__VA_ARGS__)); \
     return;                                                                    \
   }
 
 namespace {
 
 CastMetricsHelper* g_instance = NULL;
 
 const char kMetricsNameAppInfoDelimiter = '#';
 
-scoped_ptr<std::string> SerializeToJson(const base::Value& value) {
-  scoped_ptr<std::string> json_str(new std::string());
+std::unique_ptr<std::string> SerializeToJson(const base::Value& value) {
+  std::unique_ptr<std::string> json_str(new std::string());
   JSONStringValueSerializer serializer(json_str.get());
   if (!serializer.Serialize(value))
     json_str.reset(nullptr);
   return json_str;
 }
 
 }  // namespace
 
 // static
 
@@ skipping 230 matching lines @@
     const std::string& name,
     const base::TimeDelta& value) {
   // Follow UMA_HISTOGRAM_MEDIUM_TIMES definition.
   LogTimeHistogramEvent(name, value,
                         base::TimeDelta::FromMilliseconds(10),
                         base::TimeDelta::FromMinutes(3),
                         50);
 }
 
 void CastMetricsHelper::RecordApplicationEvent(const std::string& event) {
-  scoped_ptr<base::DictionaryValue> cast_event(new base::DictionaryValue());
+  std::unique_ptr<base::DictionaryValue> cast_event(
+      new base::DictionaryValue());
   cast_event->SetString("name", event);
   base::TimeTicks now = base::TimeTicks::Now();
   cast_event->SetDouble("time", now.ToInternalValue());
   cast_event->SetString("app_id", app_id_);
   cast_event->SetString("session_id", session_id_);
   cast_event->SetString("sdk_version", sdk_version_);
   const std::string message = *SerializeToJson(*cast_event.get()).get();
   RecordSimpleAction(message);
 }
 
 void CastMetricsHelper::RecordApplicationEventWithValue(
     const std::string& event,
     int value) {
-  scoped_ptr<base::DictionaryValue> cast_event(new base::DictionaryValue());
+  std::unique_ptr<base::DictionaryValue> cast_event(
+      new base::DictionaryValue());
   cast_event->SetString("name", event);
   base::TimeTicks now = base::TimeTicks::Now();
   cast_event->SetDouble("time", now.ToInternalValue());
   cast_event->SetString("app_id", app_id_);
   cast_event->SetString("session_id", session_id_);
   cast_event->SetString("sdk_version", sdk_version_);
   cast_event->SetInteger("value", value);
   const std::string message = *SerializeToJson(*cast_event.get()).get();
   RecordSimpleAction(message);
 }
 
 }  // namespace metrics
 }  // namespace chromecast