chrome power profiler chrome side changes

content/browser/power_profiler/Intel/power_profiler_helper_ia.h

+// 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.
+
+#ifndef CONTENT_BROWSER_POWER_PROFILER_HELPER_IA_H_
+#define CONTENT_BROWSER_POWER_PROFILER_HELPER_IA_H_
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "base/win/scoped_com_initializer.h"
+#include "content/browser/power_profiler/power_event.h"
+#include "content/browser/power_profiler/power_profiler_helper.h"
+
+
+#if defined(OS_WIN)
+#include <windows.h>

[qsr, 2014/01/17 11:50:14]

 why is this conditional to windows? Right now, this is windows only, so you
could have only have .h/.cc file with the win implementation.

 You will be able to refactor later on when you have a posix implementation.

+#include "third_party/power_gadget/IntelPowerGadgetLib.h"
+#define ENABLE_POWER_PROFILER 1
+#else
+#undef ENABLE_POWER_PROFILE
+#endif  // !OS_WIN
+
+namespace content {
+
+// A class used to GET power usage via Power Gadget API
+class PowerProfilerHelperIA : public PowerProfilerHelper {
+ public:
+  virtual ~PowerProfilerHelperIA();
+
+  virtual bool Initialize() OVERRIDE;
+  virtual void Reset(size_t) OVERRIDE;
+  virtual int GetData(PowerEvent* data, double* energies, int count) OVERRIDE;
+
+ protected:
+  PowerProfilerHelperIA();
+
+ private:
+  friend class PowerProfilerHelperFactory;
+
+#if defined(OS_WIN)
+  CIntelPowerGadgetLib energy_lib_;
+#endif
+  int sockets_number_;
+  int power_msr_ids_[PowerEvent::ID_COUNT];
+  bool is_open_;
+  DISALLOW_COPY_AND_ASSIGN(PowerProfilerHelperIA);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_POWER_PROFILER_HELPER_IA_H_