1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_BROWSER_POWER_PROFILER_POWER_PROFILER_OBSERVER_H_ 6 #define CONTENT_BROWSER_POWER_PROFILER_POWER_PROFILER_OBSERVER_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "content/common/content_export.h" 12 13 namespace content { 14 15 struct PowerEvent; 16 typedef std::vector<PowerEvent> PowerEventVector; 17 18 // A class used to monitor power usage data. 19 class CONTENT_EXPORT PowerProfilerObserver { 20 public: PowerProfilerObserver()21 PowerProfilerObserver() {} ~PowerProfilerObserver()22 virtual ~PowerProfilerObserver() {} 23 24 // This method will be called on the UI thread. 25 virtual void OnPowerEvent(const PowerEventVector&) = 0; 26 27 private: 28 DISALLOW_COPY_AND_ASSIGN(PowerProfilerObserver); 29 }; 30 31 } // namespace content 32 33 #endif // CONTENT_BROWSER_POWER_PROFILER_POWER_PROFILER_OBSERVER_H_ 34