Move API functions registrations out of ExtensionFunctionRegistry.

chrome/browser/extensions/api/system_private/system_private_api.h

Index: chrome/browser/extensions/api/system_private/system_private_api.h
===================================================================
--- chrome/browser/extensions/api/system_private/system_private_api.h	(revision 0)
+++ chrome/browser/extensions/api/system_private/system_private_api.h	(revision 0)
@@ -0,0 +1,55 @@
+// 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.
+
+// This extension API contains system-wide preferences and functions that shall
+// be only available to component extensions.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_SYSTEM_PRIVATE_SYSTEM_PRIVATE_API_H_
+#define CHROME_BROWSER_EXTENSIONS_API_SYSTEM_PRIVATE_SYSTEM_PRIVATE_API_H_
+
+#include "chrome/browser/extensions/extension_function.h"
+
+namespace extensions {
+
+class SystemPrivateGetIncognitoModeAvailabilityFunction
+    : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("systemPrivate.getIncognitoModeAvailability",
+                             SYSTEMPRIVATE_GETINCOGNITOMODEAVAILABILITY)
+
+ protected:
+  virtual ~SystemPrivateGetIncognitoModeAvailabilityFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+};
+
+// API function which returns the status of system update.
+class SystemPrivateGetUpdateStatusFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("systemPrivate.getUpdateStatus",
+                             SYSTEMPRIVATE_GETUPDATESTATUS)
+
+ protected:
+  virtual ~SystemPrivateGetUpdateStatusFunction() {}
+
+  // ExtensionFunction:
+  virtual bool RunImpl() OVERRIDE;
+};
+
+// Dispatches systemPrivate.onBrightnessChanged event for extensions.
+void DispatchBrightnessChangedEvent(int brightness, bool user_initiated);
+
+// Dispatches systemPrivate.onVolumeChanged event for extensions.
+void DispatchVolumeChangedEvent(double volume, bool is_volume_muted);
+
+// Dispatches systemPrivate.onScreenChanged event for extensions.
+void DispatchScreenUnlockedEvent();
+
+// Dispatches systemPrivate.onWokeUp event for extensions.
+void DispatchWokeUpEvent();
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_PRIVATE_SYSTEM_PRIVATE_API_H_