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

extensions/browser/api/system_cpu/cpu_info_provider_linux.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 <stdint.h>
 
 #include <cstdio>
 #include <sstream>
 
 #include "base/files/file_util.h"
 #include "base/format_macros.h"
 
 namespace extensions {
 
 namespace {
 
 const char kProcStat[] = "/proc/stat";
 
 }  // namespace
 
 bool CpuInfoProvider::QueryCpuTimePerProcessor(
-    std::vector<linked_ptr<api::system_cpu::ProcessorInfo>>* infos) {
+    std::vector<api::system_cpu::ProcessorInfo>* infos) {
   DCHECK(infos);
 
   // WARNING: this method may return incomplete data because some processors may
   // be brought offline at runtime. /proc/stat does not report statistics of
   // offline processors. CPU usages of offline processors will be filled with
   // zeros.
   //
   // An example of output of /proc/stat when processor 0 and 3 are online, but
   // processor 1 and 2 are offline:
   //
@@ skipping 22 matching lines @@
                &pindex,
                &user,
                &nice,
                &sys,
                &idle);
     if (vals != 5 || pindex >= infos->size()) {
       NOTREACHED();
       return false;
     }
 
-    infos->at(pindex)->usage.kernel = static_cast<double>(sys);
-    infos->at(pindex)->usage.user = static_cast<double>(user + nice);
-    infos->at(pindex)->usage.idle = static_cast<double>(idle);
-    infos->at(pindex)->usage.total =
+    infos->at(pindex).usage.kernel = static_cast<double>(sys);
+    infos->at(pindex).usage.user = static_cast<double>(user + nice);
+    infos->at(pindex).usage.idle = static_cast<double>(idle);
+    infos->at(pindex).usage.total =
         static_cast<double>(sys + user + nice + idle);
   }
 
   return true;
 }
 
 }  // namespace extensions