[Extensions] Convert APIs to use movable types [13]

extensions/browser/api/system_cpu/cpu_info_provider_mac.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 "extensions/browser/api/system_cpu/cpu_info_provider.h"
 
 #include <mach/mach_host.h>
 
 #include "base/mac/scoped_mach_port.h"
 #include "base/sys_info.h"
 
 namespace extensions {
 
 bool CpuInfoProvider::QueryCpuTimePerProcessor(
-    std::vector<linked_ptr<api::system_cpu::ProcessorInfo>>* infos) {
+    std::vector<api::system_cpu::ProcessorInfo>* infos) {
   DCHECK(infos);
 
   natural_t num_of_processors;
   base::mac::ScopedMachSendRight host(mach_host_self());
   mach_msg_type_number_t type;
   processor_cpu_load_info_data_t* cpu_infos;
 
   if (host_processor_info(host.get(),
                           PROCESSOR_CPU_LOAD_INFO,
                           &num_of_processors,
                           reinterpret_cast<processor_info_array_t*>(&cpu_infos),
                           &type) == KERN_SUCCESS) {
     DCHECK_EQ(num_of_processors,
               static_cast<natural_t>(base::SysInfo::NumberOfProcessors()));
     DCHECK_EQ(num_of_processors, static_cast<natural_t>(infos->size()));
 
     for (natural_t i = 0; i < num_of_processors; ++i) {
       double user = static_cast<double>(cpu_infos[i].cpu_ticks[CPU_STATE_USER]),
              sys =
                  static_cast<double>(cpu_infos[i].cpu_ticks[CPU_STATE_SYSTEM]),
              nice = static_cast<double>(cpu_infos[i].cpu_ticks[CPU_STATE_NICE]),
              idle = static_cast<double>(cpu_infos[i].cpu_ticks[CPU_STATE_IDLE]);
 
-      infos->at(i)->usage.kernel = sys;
-      infos->at(i)->usage.user = user + nice;
-      infos->at(i)->usage.idle = idle;
-      infos->at(i)->usage.total = sys + user + nice + idle;
+      infos->at(i).usage.kernel = sys;
+      infos->at(i).usage.user = user + nice;
+      infos->at(i).usage.idle = idle;
+      infos->at(i).usage.total = sys + user + nice + idle;
     }
 
     vm_deallocate(mach_task_self(),
                   reinterpret_cast<vm_address_t>(cpu_infos),
                   num_of_processors * sizeof(processor_cpu_load_info));
 
     return true;
   }
 
   return false;
 }
 
 }  // namespace extensions