Mojo: Move waiting APIs to public library

mojo/edk/system/waiter_test_utils.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 "mojo/edk/system/waiter_test_utils.h"
-
-namespace mojo {
-namespace edk {
-namespace test {
-
-SimpleWaiterThread::SimpleWaiterThread(MojoResult* result, uintptr_t* context)
-    : base::SimpleThread("waiter_thread"), result_(result), context_(context) {
-  waiter_.Init();
-  *result_ = 5420734;    // Totally invalid result.
-  *context_ = 23489023;  // "Random".
-}
-
-SimpleWaiterThread::~SimpleWaiterThread() {
-  Join();
-}
-
-void SimpleWaiterThread::Run() {
-  *result_ = waiter_.Wait(MOJO_DEADLINE_INDEFINITE, context_);
-}
-
-WaiterThread::WaiterThread(scoped_refptr<Dispatcher> dispatcher,
-                           MojoHandleSignals handle_signals,
-                           MojoDeadline deadline,
-                           uintptr_t context,
-                           bool* did_wait_out,
-                           MojoResult* result_out,
-                           uintptr_t* context_out,
-                           HandleSignalsState* signals_state_out)
-    : base::SimpleThread("waiter_thread"),
-      dispatcher_(dispatcher),
-      handle_signals_(handle_signals),
-      deadline_(deadline),
-      context_(context),
-      did_wait_out_(did_wait_out),
-      result_out_(result_out),
-      context_out_(context_out),
-      signals_state_out_(signals_state_out) {
-  *did_wait_out_ = false;
-  // Initialize these with invalid results (so that we'll be sure to catch any
-  // case where they're not set).
-  *result_out_ = 8542346;
-  *context_out_ = 89023444;
-  *signals_state_out_ = HandleSignalsState(~0u, ~0u);
-}
-
-WaiterThread::~WaiterThread() {
-  Join();
-}
-
-void WaiterThread::Run() {
-  waiter_.Init();
-
-  *result_out_ = dispatcher_->AddAwakable(&waiter_, handle_signals_, context_,
-                                          signals_state_out_);
-  if (*result_out_ != MOJO_RESULT_OK)
-    return;
-
-  *did_wait_out_ = true;
-  *result_out_ = waiter_.Wait(deadline_, context_out_);
-  dispatcher_->RemoveAwakable(&waiter_, signals_state_out_);
-}
-
-}  // namespace test
-}  // namespace edk
-}  // namespace mojo