Move scoped_test_dir.* and test_io_thread.* from edk/test to edk/system/test.

mojo/edk/system/remote_data_pipe_impl_unittest.cc

 // Copyright 2015 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.
 
 // This file tests both |RemoteProducerDataPipeImpl| and
 // |RemoteConsumerDataPipeImpl|.
 
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "mojo/edk/embedder/simple_platform_support.h"
 #include "mojo/edk/system/channel.h"
 #include "mojo/edk/system/channel_endpoint.h"
 #include "mojo/edk/system/data_pipe.h"
 #include "mojo/edk/system/data_pipe_consumer_dispatcher.h"
 #include "mojo/edk/system/data_pipe_producer_dispatcher.h"
 #include "mojo/edk/system/memory.h"
 #include "mojo/edk/system/message_pipe.h"
 #include "mojo/edk/system/raw_channel.h"
 #include "mojo/edk/system/ref_ptr.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_io_thread.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace system {
 namespace {
 
 const MojoHandleSignals kAllSignals = MOJO_HANDLE_SIGNAL_READABLE |
                                       MOJO_HANDLE_SIGNAL_WRITABLE |
                                       MOJO_HANDLE_SIGNAL_PEER_CLOSED;
 
 class RemoteDataPipeImplTest : public testing::Test {
  public:
-  RemoteDataPipeImplTest()
-      : io_thread_(mojo::test::TestIOThread::StartMode::AUTO) {}
+  RemoteDataPipeImplTest() : io_thread_(test::TestIOThread::StartMode::AUTO) {}
   ~RemoteDataPipeImplTest() override {}
 
   void SetUp() override {
     RefPtr<ChannelEndpoint> ep[2];
     message_pipes_[0] = MessagePipe::CreateLocalProxy(&ep[0]);
     message_pipes_[1] = MessagePipe::CreateLocalProxy(&ep[1]);
 
     io_thread_.PostTaskAndWait(base::Bind(
         &RemoteDataPipeImplTest::SetUpOnIOThread, base::Unretained(this),
         base::Passed(&ep[0]), base::Passed(&ep[1])));
@@ skipping 53 matching lines @@
       channels_[0]->Shutdown();
       channels_[0] = nullptr;
     }
     if (channels_[1]) {
       channels_[1]->Shutdown();
       channels_[1] = nullptr;
     }
   }
 
   embedder::SimplePlatformSupport platform_support_;
-  mojo::test::TestIOThread io_thread_;
+  test::TestIOThread io_thread_;
   RefPtr<Channel> channels_[2];
   RefPtr<MessagePipe> message_pipes_[2];
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(RemoteDataPipeImplTest);
 };
 
 // These tests are heavier-weight than ideal. They test remote data pipes by
 // passing data pipe (producer/consumer) dispatchers over remote message pipes.
 // Make sure that the test fixture works properly (i.e., that the message pipe
 // works properly, and that things are shut down correctly).
@@ skipping 372 matching lines @@
   EXPECT_EQ(123456, elements[0]);
   EXPECT_EQ(789012, elements[1]);
   EXPECT_EQ(0, elements[2]);
 
   consumer->Close();
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo