Remove PPB_Scrollbar_Dev and PPB_Widget_Dev from native client

ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_scrollbar.cc

-// 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.
-
-#include "native_client/src/shared/ppapi_proxy/browser_ppp_scrollbar.h"
-
-// Include file order cannot be observed because ppp_instance declares a
-// structure return type that causes an error on Windows.
-// TODO(sehr, brettw): fix the return types and include order in PPAPI.
-#include "ppapi/c/pp_instance.h"
-#include "ppapi/c/pp_resource.h"
-#include "srpcgen/ppp_rpc.h"
-#include "native_client/src/include/portability.h"
-#include "native_client/src/shared/ppapi_proxy/browser_globals.h"
-#include "native_client/src/shared/ppapi_proxy/browser_ppp.h"
-#include "native_client/src/shared/ppapi_proxy/utility.h"
-
-namespace ppapi_proxy {
-
-namespace {
-
-void ValueChanged(
-    PP_Instance instance,
-    PP_Resource resource,
-    uint32_t value) {
-  DebugPrintf("PPP_Scrollbar_Dev::ValueChanged: instance=%"NACL_PRId32"\n",
-              instance);
-
-  NaClSrpcError srpc_result = PppScrollbarRpcClient::PPP_Scrollbar_ValueChanged(
-      GetMainSrpcChannel(instance),
-      instance,
-      resource,
-      value);
-
-  DebugPrintf("PPP_Scrollbar_Dev::ValueChanged: %s\n",
-              NaClSrpcErrorString(srpc_result));
-}
-
-void OverlayChanged(
-    PP_Instance instance,
-    PP_Resource resource,
-    PP_Bool type) {
-  DebugPrintf("PPP_Scrollbar_Dev::OverlayChanged: instance=%"NACL_PRId32"\n",
-              instance);
-
-  NaClSrpcError srpc_result =
-      PppScrollbarRpcClient::PPP_Scrollbar_OverlayChanged(
-          GetMainSrpcChannel(instance),
-          instance,
-          resource,
-          type);
-
-  DebugPrintf("PPP_Scrollbar_Dev::OverlayChanged: %s\n",
-              NaClSrpcErrorString(srpc_result));
-}
-
-}  // namespace
-
-const PPP_Scrollbar_Dev* BrowserScrollbar::GetInterface() {
-  static const PPP_Scrollbar_Dev scrollbar_interface = {
-    ValueChanged,
-    OverlayChanged
-  };
-  return &scrollbar_interface;
-}
-
-}  // namespace ppapi_proxy