Move chrome.power API from chrome/ to extensions/.

chrome/browser/extensions/api/power/power_api.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_POWER_POWER_API_H_
-#define CHROME_BROWSER_EXTENSIONS_API_POWER_POWER_API_H_
-
-#include "extensions/browser/extension_function.h"
-
-namespace extensions {
-
-// Implementation of the chrome.power.requestKeepAwake API.
-class PowerRequestKeepAwakeFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION("power.requestKeepAwake", POWER_REQUESTKEEPAWAKE)
-
- protected:
-  virtual ~PowerRequestKeepAwakeFunction() {}
-
-  // ExtensionFunction:
-  virtual bool RunSync() OVERRIDE;
-};
-
-// Implementation of the chrome.power.releaseKeepAwake API.
-class PowerReleaseKeepAwakeFunction : public SyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION("power.releaseKeepAwake", POWER_RELEASEKEEPAWAKE)
-
- protected:
-  virtual ~PowerReleaseKeepAwakeFunction() {}
-
-  // ExtensionFunction:
-  virtual bool RunSync() OVERRIDE;
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_POWER_POWER_API_H_