Chrome power profiler service

content/browser/devtools/devtools_power_handler.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_DEVTOOLS_DEVTOOLS_POWER_HANDLER_H_
+#define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_POWER_HANDLER_H_
+
+#include "base/time/time.h"
+#include "content/browser/devtools/devtools_protocol.h"
+#include "content/browser/power_profiler/power_profiler_observer.h"
+
+namespace content {
+
+// This class provides power information to DevTools.
+class DevToolsPowerHandler
+    : public DevToolsProtocol::Handler,
+      public PowerProfilerObserver {
+ public:
+  DevToolsPowerHandler();
+  virtual ~DevToolsPowerHandler();
+
+  // PowerProfilerObserver override.
+  virtual void OnPowerEvent(const PowerEventVector&) OVERRIDE;
+
+ private:
+  scoped_refptr<DevToolsProtocol::Response> OnStart(
+      scoped_refptr<DevToolsProtocol::Command> command);
+  scoped_refptr<DevToolsProtocol::Response> OnEnd(
+      scoped_refptr<DevToolsProtocol::Command> command);
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsPowerHandler);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_POWER_HANDLER_H_