Cloning a bunch of stuff from the native_client repository at r6528

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

Index: ppapi/native_client/src/shared/ppapi_proxy/plugin_ppp_widget_rpc_server.cc
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/plugin_ppp_widget_rpc_server.cc	(revision 0)
+++ ppapi/native_client/src/shared/ppapi_proxy/plugin_ppp_widget_rpc_server.cc	(revision 0)
@@ -0,0 +1,39 @@
+// Copyright (c) 2011 The Native Client Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// SRPC-abstraction wrappers around PPP_Widget_Dev functions.
+
+#include <string.h>
+
+#include "native_client/src/include/portability.h"
+#include "native_client/src/include/portability_process.h"
+#include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
+#include "native_client/src/shared/ppapi_proxy/utility.h"
+#include "ppapi/c/dev/ppp_widget_dev.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/ppp.h"
+#include "srpcgen/ppp_rpc.h"
+
+using ppapi_proxy::DebugPrintf;
+using ppapi_proxy::PPPWidgetInterface;
+
+void PppWidgetRpcServer::PPP_Widget_Invalidate(
+    NaClSrpcRpc* rpc,
+    NaClSrpcClosure* done,
+    // inputs
+    PP_Instance instance,
+    PP_Resource resource,
+    nacl_abi_size_t dirty_rect_bytes, char* dirty_rect) {
+  rpc->result = NACL_SRPC_RESULT_APP_ERROR;
+  NaClSrpcClosureRunner runner(done);
+
+  if (dirty_rect_bytes != sizeof(struct PP_Rect))
+    return;
+
+  struct PP_Rect* pp_dirty_rect =
+      reinterpret_cast<struct PP_Rect*>(dirty_rect);
+  PPPWidgetInterface()->Invalidate(instance, resource, pp_dirty_rect);
+
+  rpc->result = NACL_SRPC_RESULT_OK;
+}