Cloning a bunch of stuff from the native_client repository at r6528

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

Index: ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_widget.cc
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_widget.cc	(revision 0)
+++ ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_widget.cc	(revision 0)
@@ -0,0 +1,54 @@
+// 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.
+
+#include "native_client/src/shared/ppapi_proxy/browser_ppp_widget.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_rect.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 {
+
+const nacl_abi_size_t kPPRectBytes =
+    static_cast<nacl_abi_size_t>(sizeof(PP_Rect));
+
+void Invalidate(PP_Instance instance,
+                PP_Resource widget,
+                const struct PP_Rect* dirty_rect) {
+  DebugPrintf("PPP_Widget_Dev::Invalidate: instance=%"NACL_PRIu32"\n",
+              instance);
+
+  NaClSrpcError srpc_result =
+      PppWidgetRpcClient::PPP_Widget_Invalidate(
+          GetMainSrpcChannel(instance),
+          instance,
+          widget,
+          kPPRectBytes,
+          reinterpret_cast<char*>(const_cast<struct PP_Rect*>(dirty_rect)));
+
+  DebugPrintf("PPP_Widget_Dev::Invalidate: %s\n",
+              NaClSrpcErrorString(srpc_result));
+}
+
+}  // namespace
+
+const PPP_Widget_Dev* BrowserWidget::GetInterface() {
+  static const PPP_Widget_Dev widget_interface = {
+    Invalidate
+  };
+  return &widget_interface;
+}
+
+}  // namespace ppapi_proxy
+