Remove unused in-process pepper APIs

ppapi/c/dev/ppp_scrollbar_dev.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.
- */
-
-/* From dev/ppp_scrollbar_dev.idl modified Tue Nov 27 14:46:25 2012. */
-
-#ifndef PPAPI_C_DEV_PPP_SCROLLBAR_DEV_H_
-#define PPAPI_C_DEV_PPP_SCROLLBAR_DEV_H_
-
-#include "ppapi/c/pp_bool.h"
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_macros.h"
-#include "ppapi/c/pp_resource.h"
-#include "ppapi/c/pp_stdint.h"
-
-#define PPP_SCROLLBAR_DEV_INTERFACE_0_2 "PPP_Scrollbar(Dev);0.2"
-#define PPP_SCROLLBAR_DEV_INTERFACE_0_3 "PPP_Scrollbar(Dev);0.3"
-#define PPP_SCROLLBAR_DEV_INTERFACE PPP_SCROLLBAR_DEV_INTERFACE_0_3
-
-/**
- * @file
- * This file defines the <code>PPP_Scrollbar_Dev</code> interface.
- */
-
-
-/**
- * @addtogroup Interfaces
- * @{
- */
-struct PPP_Scrollbar_Dev_0_3 {
-  /**
-   *  Informs the instance that the scrollbar's value has changed.
-   */
-  void (*ValueChanged)(PP_Instance instance,
-                       PP_Resource scrollbar,
-                       uint32_t value);
-  /**
-   * Informs the instance that the user has changed the system
-   * scrollbar style.
-   */
-  void (*OverlayChanged)(PP_Instance instance,
-                         PP_Resource scrollbar,
-                         PP_Bool overlay);
-};
-
-typedef struct PPP_Scrollbar_Dev_0_3 PPP_Scrollbar_Dev;
-
-struct PPP_Scrollbar_Dev_0_2 {
-  void (*ValueChanged)(PP_Instance instance,
-                       PP_Resource scrollbar,
-                       uint32_t value);
-};
-/**
- * @}
- */
-
-#endif  /* PPAPI_C_DEV_PPP_SCROLLBAR_DEV_H_ */
-