Move systemInfo.cpu API out out experimental namespace.

chrome/browser/extensions/api/system_info_cpu/cpu_info_provider.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_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_
 
 #include <vector>
 
 #include "base/timer.h"
 #include "chrome/browser/extensions/api/system_info/system_info_provider.h"
 #include "chrome/common/extensions/api/system_info_cpu.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_registrar.h"
 
 namespace extensions {
 
 class CpuInfoProvider
-    : public content::NotificationObserver,
-      public SystemInfoProvider<api::system_info_cpu::CpuInfo> {
+    : public SystemInfoProvider<api::system_info_cpu::CpuInfo> {
  public:
-  typedef base::Callback<
-      void(scoped_ptr<api::system_info_cpu::CpuUpdateInfo>)>
-          SamplingCallback;
-
   // Overriden from SystemInfoProvider<CpuInfo>.
   virtual bool QueryInfo(
       api::system_info_cpu::CpuInfo* info) OVERRIDE;
 
-  // Start sampling the CPU usage. The callback gets called when one sampling
-  // cycle is completed periodically with the CPU updated usage info for each
-  // processors. It gets called on UI thread, the |callback| gets called on the
-  // FILE thread.
-  void StartSampling(const SamplingCallback& callback);
-
-  // Stop the sampling cycle. Called on the FILE thread.
-  void StopSampling();
-
   // Return the single shared instance of CpuInfoProvider.
   static CpuInfoProvider* Get();
 
  private:
   friend class SystemInfoProvider<api::system_info_cpu::CpuInfo>;
   friend class MockCpuInfoProviderImpl;
   friend class TestCpuInfoProvider;
 
-  // The amount of time that CPU spent on performing different kinds of work.
-  // It is used to calculate the usage percent for processors.
-  struct CpuTime {
-    CpuTime() : user(0), kernel(0), idle(0) {}
-    int64 user;   // user mode.
-    int64 kernel; // kernel mode.
-    int64 idle;   // twiddling thumbs.
-  };
-
   CpuInfoProvider();
 
   virtual ~CpuInfoProvider();
-
-  // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
-  // Platform specific implementation for querying the CPU time information
-  // for each processor.
-  virtual bool QueryCpuTimePerProcessor(std::vector<CpuTime>* times);
-
-  // Start and stop sampling on the FILE thread.
-  void StartSamplingOnFileThread(const SamplingCallback& callback);
-  void StopSamplingOnFileThread();
-
-  // Called when the sampling timer is triggered.
-  void DoSample();
-
-  content::NotificationRegistrar registrar_;
-
-  // Indicates whether the CPU sampling is started.
-  bool is_sampling_started_;
-
-  // The sampling value returned from the most recent QueryCpuTimePerProcessor
-  // call.
-  std::vector<CpuTime> baseline_cpu_time_;
-
-  // The callback which will be called when one sampling cycle is completed.
-  SamplingCallback callback_;
-
-  // The timer used for polling CPU time periodically. Lives on FILE thread.
-  base::RepeatingTimer<CpuInfoProvider>* sampling_timer_;
-
-  // The time interval for sampling, in milliseconds.
-  int sampling_interval_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_CPU_CPU_INFO_PROVIDER_H_