Convert //content from scoped_ptr to std::unique_ptr

chrome/browser/performance_monitor/performance_monitor.h

 // 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.
 
 #ifndef CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_
 #define CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_
 
 #include <map>
 #include <vector>
 
 #include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/process/process_handle.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/performance_monitor/process_metrics_history.h"
 
 namespace base {
 template <typename Type>
 struct DefaultSingletonTraits;
 }  // namespace base
 
 namespace content {
@@ skipping 47 matching lines @@
 
   // The timer to signal PerformanceMonitor to perform its timed collections.
   base::OneShotTimer repeating_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(PerformanceMonitor);
 };
 
 }  // namespace performance_monitor
 
 #endif  // CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_