Return unique_ptrs from base::ProcessMetrics.

base/process/process_metrics.cc

 // Copyright 2013 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 "base/process/process_metrics.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/values.h"
@@ skipping 28 matching lines @@
   res->Set("meminfo", memory_info_.ToValue());
   res->Set("diskinfo", disk_info_.ToValue());
 #endif
 #if defined(OS_CHROMEOS)
   res->Set("swapinfo", swap_info_.ToValue());
 #endif
 
   return std::move(res);
 }
 
-ProcessMetrics* ProcessMetrics::CreateCurrentProcessMetrics() {
+std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateCurrentProcessMetrics() {
 #if !defined(OS_MACOSX) || defined(OS_IOS)
   return CreateProcessMetrics(base::GetCurrentProcessHandle());
 #else
   return CreateProcessMetrics(base::GetCurrentProcessHandle(), nullptr);
 #endif  // !defined(OS_MACOSX) || defined(OS_IOS)
 }
 
 double ProcessMetrics::GetPlatformIndependentCPUUsage() {
 #if defined(OS_WIN)
   return GetCPUUsage() * processor_count_;
@@ skipping 29 matching lines @@
   return (wakeups_delta_for_ms + time_delta / 2) / time_delta;
 }
 #else
 int ProcessMetrics::GetIdleWakeupsPerSecond() {
   NOTIMPLEMENTED();  // http://crbug.com/120488
   return 0;
 }
 #endif  // defined(OS_MACOSX) || defined(OS_LINUX)
 
 }  // namespace base