Include-what-you-use for ThreadTaskRunnerHandle.

mojo/public/cpp/bindings/tests/bindings_perftest.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.
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/interface_endpoint_client.h"
 #include "mojo/public/cpp/bindings/lib/message_builder.h"
 #include "mojo/public/cpp/bindings/lib/multiplex_router.h"
 #include "mojo/public/cpp/bindings/message.h"
 #include "mojo/public/cpp/test_support/test_support.h"
 #include "mojo/public/cpp/test_support/test_utils.h"
 #include "mojo/public/interfaces/bindings/tests/ping_service.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 253 matching lines @@
     if (i == 1) {
       test::LogPerfResult("MultiplexRouterDispatchCost", nullptr,
                           kIterations[i] / duration.InSecondsF(),
                           "times/second");
     }
   }
 }
 
 }  // namespace
 }  // namespace mojo