IPC::ChannelMojo: Introduce IPC::MojoBootstrap for Windows

ipc/mojo/ipc_channel_mojo_host.cc

Index: ipc/mojo/ipc_channel_mojo_host.cc
diff --git a/ipc/mojo/ipc_channel_mojo_host.cc b/ipc/mojo/ipc_channel_mojo_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ef5afab53ad754f9f10e4ef0ddb780fb13856fc2
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+++ b/ipc/mojo/ipc_channel_mojo_host.cc
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+// 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 "ipc/mojo/ipc_channel_mojo_host.h"
+
+#include "base/bind.h"
+#include "base/message_loop/message_loop.h"
+#include "ipc/mojo/ipc_channel_mojo.h"
+
+namespace IPC {
+
+ChannelMojoHost::ChannelMojoHost(scoped_refptr<base::TaskRunner> task_runner)
+    : weak_factory_(this), task_runner_(task_runner), channel_(NULL) {
+}
+
+ChannelMojoHost::~ChannelMojoHost() {
+}
+
+void ChannelMojoHost::OnClientLaunched(base::ProcessHandle process) {
+  if (task_runner_ == base::MessageLoop::current()->message_loop_proxy()) {
+    InvokeOnClientLaunched(process);
+  } else {
+    task_runner_->PostTask(FROM_HERE,
+                           base::Bind(&ChannelMojoHost::InvokeOnClientLaunched,
+                                      weak_factory_.GetWeakPtr(),
+                                      process));
+  }
+}
+
+void ChannelMojoHost::InvokeOnClientLaunched(base::ProcessHandle process) {
+  if (!channel_)
+    return;
+  channel_->OnClientLaunched(process);
+}
+
+void ChannelMojoHost::OnChannelCreated(ChannelMojo* channel) {
+  DCHECK(channel_ == NULL);
+  channel_ = channel;
+}
+
+void ChannelMojoHost::OnChannelDeleted() {
+  DCHECK(channel_ != NULL);
+  channel_ = NULL;
+}
+
+}  // namespace IPC