[SystemInfo API] Finish TODOs in SystemInfoProvider

chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.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 "base/command_line.h"
 #include "chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.h"
 #include "chrome/browser/extensions/api/system_info_cpu/cpu_info_provider.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/features/base_feature_provider.h"
 
 namespace extensions {
 
 using api::system_info_cpu::CpuInfo;
 
 SystemInfoCpuGetFunction::SystemInfoCpuGetFunction() {
 }
 
 SystemInfoCpuGetFunction::~SystemInfoCpuGetFunction() {
 }
 
 bool SystemInfoCpuGetFunction::RunImpl() {
   CpuInfoProvider::Get()->StartQueryInfo(
       base::Bind(&SystemInfoCpuGetFunction::OnGetCpuInfoCompleted, this));
   return true;
 }
 
-void SystemInfoCpuGetFunction::OnGetCpuInfoCompleted(const CpuInfo& info,
-    bool success) {
+void SystemInfoCpuGetFunction::OnGetCpuInfoCompleted(bool success) {
   if (success)
-    SetResult(info.ToValue().release());
+    SetResult(CpuInfoProvider::Get()->cpu_info().ToValue().release());
   else
     SetError("Error occurred when querying cpu information.");
   SendResponse(success);
 }
 
 }  // namespace extensions