Add //mojo/edk/platform/thread_utils.* containing "yield" and "sleep".

mojo/edk/system/remote_message_pipe_unittest.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 <stdint.h>
 #include <stdio.h>
 #include <string.h>
 
 #include <memory>
 #include <utility>
 #include <vector>
 
 #include "base/logging.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "mojo/edk/embedder/platform_shared_buffer.h"
 #include "mojo/edk/embedder/simple_platform_support.h"
 #include "mojo/edk/platform/scoped_platform_handle.h"
+#include "mojo/edk/platform/thread_utils.h"
 #include "mojo/edk/system/channel.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/channel_endpoint_id.h"
 #include "mojo/edk/system/incoming_endpoint.h"
 #include "mojo/edk/system/message_pipe.h"
 #include "mojo/edk/system/message_pipe_dispatcher.h"
 #include "mojo/edk/system/platform_handle_dispatcher.h"
 #include "mojo/edk/system/raw_channel.h"
 #include "mojo/edk/system/shared_buffer_dispatcher.h"
 #include "mojo/edk/system/test/scoped_test_dir.h"
-#include "mojo/edk/system/test/sleep.h"
 #include "mojo/edk/system/test/test_io_thread.h"
 #include "mojo/edk/system/test/timeouts.h"
 #include "mojo/edk/system/waiter.h"
 #include "mojo/edk/test/test_utils.h"
 #include "mojo/edk/util/ref_ptr.h"
 #include "mojo/edk/util/scoped_file.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using mojo::platform::ScopedPlatformHandle;
+using mojo::platform::ThreadSleep;
 using mojo::util::MakeRefCounted;
 using mojo::util::RefPtr;
 
 namespace mojo {
 namespace system {
 namespace {
 
 const MojoHandleSignals kAllSignals = MOJO_HANDLE_SIGNAL_READABLE |
                                       MOJO_HANDLE_SIGNAL_WRITABLE |
                                       MOJO_HANDLE_SIGNAL_PEER_CLOSED;
@@ skipping 1069 matching lines @@
     DVLOG(2) << "---------------------------------------- " << i;
     RefPtr<ChannelEndpoint> ep0;
     auto mp0 = MessagePipe::CreateLocalProxy(&ep0);
     BootstrapChannelEndpointNoWait(0, std::move(ep0));
 
     RefPtr<ChannelEndpoint> ep1;
     auto mp1 = MessagePipe::CreateProxyLocal(&ep1);
     BootstrapChannelEndpointNoWait(1, std::move(ep1));
 
     if (i & 1u) {
-      io_thread()->PostTask([delay]() { test::Sleep(delay); });
+      io_thread()->PostTask([delay]() { ThreadSleep(delay); });
     }
     if (i & 2u)
-      test::Sleep(delay);
+      ThreadSleep(delay);
 
     mp0->Close(0);
 
     if (i & 4u) {
-      io_thread()->PostTask([delay]() { test::Sleep(delay); });
+      io_thread()->PostTask([delay]() { ThreadSleep(delay); });
     }
     if (i & 8u)
-      test::Sleep(delay);
+      ThreadSleep(delay);
 
     mp1->Close(1);
 
     RestoreInitialState();
   }
 }
 
 // Tests passing an end of a message pipe over a remote message pipe, and then
 // passing that end back.
 // TODO(vtl): Also test passing a message pipe across two remote message pipes.
@@ skipping 200 matching lines @@
   mp0->Close(0);
   mp1->Close(1);
   EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close());
   // Note that |local_mp|'s port 0 belong to |dispatcher|, which was closed.
   local_mp->Close(1);
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo