Add IPC Channel for new ManifestService.

ppapi/nacl_irt/embedder_service.cc

+// Copyright 2014 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 "ppapi/nacl_irt/embedder_service.h"
+
+#include "base/message_loop/message_loop_proxy.h"
+#include "ipc/ipc_channel_handle.h"
+#include "ipc/ipc_sync_channel.h"
+#include "ipc/ipc_sync_message_filter.h"
+
+namespace ppapi {
+
+EmbedderService::EmbedderService(
+    const IPC::ChannelHandle& handle,
+    scoped_refptr<base::MessageLoopProxy> io_message_loop,
+    base::WaitableEvent* shutdown_event) {
+  channel_.reset(new IPC::SyncChannel(NULL,  // Listener
+                                      io_message_loop,
+                                      shutdown_event));
+  filter_ = new IPC::SyncMessageFilter(shutdown_event);
+  channel_->AddFilter(filter_.get());
+  const bool kCreatePipeNow = true;
+  channel_->Init(handle, IPC::Channel::MODE_SERVER, kCreatePipeNow);
+}
+
+EmbedderService::~EmbedderService() {
+}
+
+}  // namespace ppapi