Use ChannelMojo between app shims and the browser process.

chrome/browser/apps/app_shim/app_shim_host_mac.cc

 // Copyright 2013 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 "chrome/browser/apps/app_shim/app_shim_host_mac.h"
 
+#include <utility>
+
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "chrome/browser/apps/app_shim/app_shim_handler_mac.h"
 #include "chrome/common/mac/app_shim_messages.h"
 #include "content/public/browser/browser_thread.h"
+#include "ipc/ipc_channel_mojo.h"
 #include "ipc/ipc_channel_proxy.h"
+#include "mojo/edk/embedder/embedder.h"
 
 AppShimHost::AppShimHost() : initial_launch_finished_(false) {}
 
 AppShimHost::~AppShimHost() {
   DCHECK(CalledOnValidThread());
   apps::AppShimHandler* handler = apps::AppShimHandler::GetForAppMode(app_id_);
   if (handler)
     handler->OnShimClose(this);
 }
 
-void AppShimHost::ServeChannel(const IPC::ChannelHandle& handle) {
+void AppShimHost::ServeChannel(mojo::edk::ScopedPlatformHandle handle) {
   DCHECK(CalledOnValidThread());
   DCHECK(!channel_.get());
+
   channel_ = IPC::ChannelProxy::Create(
-      handle, IPC::Channel::MODE_SERVER, this,
+      IPC::ChannelMojo::CreateServerFactory(
+          mojo::edk::ConnectToPeerProcess(std::move(handle)),
+          content::BrowserThread::GetTaskRunnerForThread(
+              content::BrowserThread::IO)
+              .get()),
+      this,
       content::BrowserThread::GetTaskRunnerForThread(content::BrowserThread::IO)
           .get());
 }
 
 base::FilePath AppShimHost::GetProfilePath() const {
   return profile_path_;
 }
 
 std::string AppShimHost::GetAppId() const {
   return app_id_;
@@ skipping 84 matching lines @@
 }
 
 void AppShimHost::OnAppRequestUserAttention(apps::AppShimAttentionType type) {
   Send(new AppShimMsg_SetUserAttention(type));
 }
 
 void AppShimHost::Close() {
   DCHECK(CalledOnValidThread());
   delete this;
 }