EDK: Add a PlatformHandleWatcher argument to embedder::InitIPCSupport().

shell/task_runners.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 "shell/task_runners.h"
 
 #include "base/threading/sequenced_worker_pool.h"
+#include "mojo/edk/base_edk/platform_handle_watcher_impl.h"
 #include "mojo/edk/base_edk/platform_task_runner_impl.h"
+#include "mojo/edk/util/make_unique.h"
 
 using mojo::util::MakeRefCounted;
+using mojo::util::MakeUnique;
 
 namespace shell {
 
 namespace {
 
 const size_t kMaxBlockingPoolThreads = 3;
 
 scoped_ptr<base::Thread> CreateIOThread(const char* name) {
   scoped_ptr<base::Thread> thread(new base::Thread(name));
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   thread->StartWithOptions(options);
   return thread;
 }
 
 }  // namespace
 
 TaskRunners::TaskRunners(
     const scoped_refptr<base::SingleThreadTaskRunner>& shell_runner)
     : shell_runner_(
           MakeRefCounted<base_edk::PlatformTaskRunnerImpl>(shell_runner)),
       io_thread_(CreateIOThread("io_thread")),
       io_runner_(MakeRefCounted<base_edk::PlatformTaskRunnerImpl>(
           io_thread_->task_runner())),
+      io_watcher_(MakeUnique<base_edk::PlatformHandleWatcherImpl>(
+          static_cast<base::MessageLoopForIO*>(io_thread_->message_loop()))),
       blocking_pool_(new base::SequencedWorkerPool(kMaxBlockingPoolThreads,
                                                    "blocking_pool")) {}
 
 TaskRunners::~TaskRunners() {
   blocking_pool_->Shutdown();
 }
 
 }  // namespace shell