Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/boot_times_recorder.cc

 // Copyright (c) 2012 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 "chrome/browser/chromeos/boot_times_recorder.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
@@ skipping 156 matching lines @@
 
   return result;
 }
 
 // static
 BootTimesRecorder::Stats BootTimesRecorder::Stats::DeserializeFromString(
     const std::string& source) {
   if (source.empty())
     return Stats();
 
-  scoped_ptr<base::Value> value = base::JSONReader::Read(source);
+  std::unique_ptr<base::Value> value = base::JSONReader::Read(source);
   base::DictionaryValue* dictionary;
   if (!value || !value->GetAsDictionary(&dictionary)) {
     LOG(ERROR) << "BootTimesRecorder::Stats::DeserializeFromString(): not a "
                   "dictionary: '" << source << "'";
     return Stats();
   }
 
   Stats result;
   if (!dictionary->GetString(kUptime, &result.uptime_) ||
       !dictionary->GetString(kDisk, &result.disk_)) {
@@ skipping 336 matching lines @@
           GetRenderWidgetHost(&web_contents->GetController());
       render_widget_hosts_loading_.erase(render_widget_host);
       break;
     }
     default:
       break;
   }
 }
 
 }  // namespace chromeos