Revert of Chrome power profiler service

content/browser/power_profiler/power_event.h

-// 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.
-
-#ifndef CONTENT_BROWSER_POWER_PROFILER_POWER_EVENT_H_
-#define CONTENT_BROWSER_POWER_PROFILER_POWER_EVENT_H_
-
-#include "base/time/time.h"
-
-namespace content {
-
-struct PowerEvent {
-  enum Type {
-    // Total power of SoC. including CPU, GT and others on the chip,
-    // modules which aren't part of the SoC such as the screen are not included.
-    SOC_PACKAGE,
-
-    // Whole device power.
-    DEVICE,
-
-    // Keep this at the end.
-    ID_COUNT
-  };
-
-  Type type;
-
-  base::TimeTicks time;  // Time that power data was read.
-
-  // Power value between last event and this one, in watts.
-  // E.g, event1 {t1, v1}; event2 {t2, v2}; event3 {t3, v3}.
-  // Suppose event1 is the first event the observer received, then event2,
-  // event3. Then v2 is the average power from t1 to t2, v3 is the average
-  // power from t2 to t3. v1 should be ignored since event1 only means the
-  // start point of power profiling.
-  double value;
-};
-
-extern const char* kPowerTypeNames[];
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_POWER_PROFILER_POWER_EVENT_H_