Remove Mojo bindings environment.

device/serial/data_sink_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 <stddef.h>
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/strings/string_piece.h"
 #include "device/serial/data_sender.h"
 #include "device/serial/data_sink_receiver.h"
 #include "device/serial/data_stream.mojom.h"
 #include "mojo/public/cpp/bindings/interface_ptr.h"
-#include "mojo/public/cpp/environment/async_waiter.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace device {
 
 class DataSinkTest : public testing::Test {
  public:
   enum Event {
     EVENT_NONE,
     EVENT_READ_BUFFER_READY,
     EVENT_CANCEL_RECEIVED,
@@ skipping 380 matching lines @@
   sender_.reset();
   ExpectSendError(0, kFatalError);
   ExpectSendError(0, kFatalError);
   ExpectCancelResult();
   if (!seen_connection_error_)
     WaitForEvent(EVENT_ERROR);
   EXPECT_TRUE(seen_connection_error_);
 }
 
 }  // namespace device