Remove PPB_Scrollbar_Dev and PPB_Widget_Dev from native client

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_scrollbar.h

Index: ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_scrollbar.h
diff --git a/ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_scrollbar.h b/ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_scrollbar.h
deleted file mode 100644
index 91ce392288ad183025a8843a89f60628284e3ff1..0000000000000000000000000000000000000000
--- a/ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_scrollbar.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (c) 2011 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 NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_SCROLLBAR_H_
-#define NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_SCROLLBAR_H_
-
-#include "native_client/src/include/nacl_macros.h"
-#include "ppapi/c/dev/ppb_scrollbar_dev.h"
-
-namespace ppapi_proxy {
-
-// Implements the untrusted side of the PPB_Scrollbar_Dev interface.
-class PluginScrollbar {
- public:
-  PluginScrollbar();
-  static const PPB_Scrollbar_Dev* GetInterface();
-
- private:
-  NACL_DISALLOW_COPY_AND_ASSIGN(PluginScrollbar);
-};
-
-}  // namespace ppapi_proxy
-
-#endif  // NATIVE_CLIENT_SRC_SHARED_PPAPI_PROXY_PLUGIN_PPB_SCROLLBAR_H_
-