Cloning a bunch of stuff from the native_client repository at r6528

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

Index: ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_messaging.cc
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_messaging.cc	(revision 0)
+++ ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_messaging.cc	(revision 0)
@@ -0,0 +1,46 @@
+// 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_messaging.h"
+
+#include "native_client/src/include/nacl_scoped_ptr.h"
+#include "native_client/src/shared/ppapi_proxy/browser_globals.h"
+#include "native_client/src/shared/ppapi_proxy/object_serialize.h"
+#include "native_client/src/shared/ppapi_proxy/utility.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_var.h"
+#include "srpcgen/ppp_rpc.h"
+
+namespace ppapi_proxy {
+
+namespace {
+
+void HandleMessage(PP_Instance instance, struct PP_Var message) {
+  DebugPrintf("PPP_Messaging::HandleMessage: instance=%"NACL_PRIu32"\n",
+              instance);
+  uint32_t message_length = kMaxVarSize;
+  nacl::scoped_array<char> message_bytes(Serialize(&message, 1,
+                                                   &message_length));
+  NaClSrpcError srpc_result =
+      PppMessagingRpcClient::PPP_Messaging_HandleMessage(
+          GetMainSrpcChannel(instance),
+          instance,
+          message_length,
+          message_bytes.get());
+
+  DebugPrintf("PPP_Messaging::HandleMessage: %s\n",
+              NaClSrpcErrorString(srpc_result));
+}
+
+}  // namespace
+
+const PPP_Messaging* BrowserMessaging::GetInterface() {
+  static const PPP_Messaging messaging_interface = {
+    HandleMessage
+  };
+  return &messaging_interface;
+}
+
+}  // namespace ppapi_proxy
+